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中央電大開放本科機(jī)械cad/cam試題及答案參考小抄(完整版)

  

【正文】 1.下述 CAD/ CAM過(guò)程的操作中,屬于 CAD范疇的為 ( C )。 順序要求正確。 3.?dāng)?shù)控機(jī)床的控制系統(tǒng)分為 3 種,它們是 ____點(diǎn)位 ___數(shù)控系統(tǒng)、 _____直線 ____數(shù)控系統(tǒng)和 ____輪廓 _________數(shù)控系統(tǒng)。 三、閱讀理解題 (各 15 分,共 30分 ) 1.寫出在 AutoCAD編輯狀態(tài)中運(yùn)行函數(shù) tx時(shí),在屏幕圖形區(qū)和文本區(qū)的顯示結(jié)果 第 7 頁(yè) 共 24 頁(yè) 答案: 在文本行依次顯示出 pl、 p p p P p p p8的值: (100. O 50. 0)(200. O 50. 0) (200. 0 150. 0)(100. 0 150. O)(120. 0 70. O)(180. 0 70. 0)(180, 0 130. O)(120. 0 130. 0);在圖形區(qū)顯示出依次連接點(diǎn) pl、P p P p1 和依次連接點(diǎn) p p p p p5形成的兩個(gè)形心相同的正方形 (亦可以用圖形表示,參考下圖 )。 (12 分 ) 遍歷的過(guò)程是:若二叉樹不為空,先訪問(wèn)根結(jié)點(diǎn),然后以前序遍歷的方式遍歷根結(jié)點(diǎn)的左子樹,再以前序遍歷的方式遍歷根結(jié)點(diǎn)的右子樹,遍歷過(guò)程是遞歸的,直至遍歷所有結(jié)點(diǎn)為止。將其編號(hào)填入題中括號(hào)內(nèi)。 2.?dāng)?shù)據(jù)庫(kù)中的數(shù)據(jù)模型一般分為三種,它們是 層次 型、 網(wǎng)絡(luò) 型和 __關(guān)系 __________型;當(dāng)代主流 的數(shù)據(jù)庫(kù)系統(tǒng) (例如 Foxpro)多采用 ______關(guān)系 ______數(shù)據(jù)模型;數(shù)據(jù)庫(kù)系統(tǒng)采用三級(jí)體系結(jié)構(gòu),即: ____關(guān)系 ____模式、 ___概念 __模式和 ____內(nèi) _____模式。 2.簡(jiǎn)述從單向鏈表中刪除第 6 個(gè)數(shù)據(jù)元素的過(guò)程。 第 12 頁(yè) 共 24 頁(yè) 試卷代號(hào): 1119 中央廣播電視大學(xué) 2021— 2021學(xué)年度第二學(xué)期“開放本科”期末考試 機(jī)械設(shè)計(jì)制造及其自動(dòng)化專業(yè) 機(jī)械 CAD/ CAM 試題 2021 年 7 月 一、單項(xiàng)選擇題 (從所給的四個(gè)選項(xiàng)中,找出你認(rèn)為是正確的答案,將其編號(hào)填入題中括號(hào)內(nèi)。 A. 數(shù)控機(jī)床 B.裝配流水線 C.組合機(jī)床 D. FMS 8. 在 AotuCAD繪圖軟件的菜單文件中,圖標(biāo)菜單的標(biāo)題為 ( A )。 1)主機(jī) 2)控制裝置 3)驅(qū)動(dòng)裝置 4)輔助裝置 5)編程及其附屬設(shè)備。 四、閱讀理解題 (12 分 ) 以下 DCL 文件被正確加載執(zhí)行后,屏幕上將彈出式列表 (popup_list)展開時(shí)刻的對(duì)話框內(nèi)容。 A.零件 B.?dāng)?shù)控系統(tǒng) C.檢測(cè)系統(tǒng) D.刀具 3.在派生式 CAPP 系統(tǒng)中,利用分類編碼進(jìn)行零件分類成組的主要依據(jù)是 (B )。 2.應(yīng)用于數(shù)據(jù) 庫(kù)中的數(shù)據(jù)模型一般分為: _____層次 _____模型、 ____網(wǎng)絡(luò) ______模型和 ___關(guān)系 _______模型三種。 (3)將第 17 個(gè)結(jié)點(diǎn)的指針指向這個(gè)新結(jié)點(diǎn)的地址。 (6)計(jì)算機(jī)網(wǎng)絡(luò)系統(tǒng)。 A.工程手冊(cè)中的數(shù)表 B.?dāng)?shù)據(jù)元素長(zhǎng)度不同的數(shù)據(jù) C.中間結(jié)果數(shù)據(jù) D.設(shè)計(jì)結(jié)果數(shù)據(jù) 3. AutoCAD菜單文件 acad. mnu中的菜單段標(biāo)題 ***image和 ***pop6分別對(duì)應(yīng)的兩種菜單是 ( B )。 2.?dāng)?shù)據(jù)庫(kù)系統(tǒng)一般采用三級(jí)體系結(jié)構(gòu)是 ____外 ______模式、 __概念 ________模式和 ____內(nèi) ______模式。 (2)然后將第 8 個(gè)結(jié)點(diǎn)的指針指向第 10個(gè)結(jié)點(diǎn)的地址。 說(shuō)明:此正方管斷面函數(shù)的功能是自動(dòng)畫出一個(gè)如圖所示的正方管斷面如圖 Dl,即:此函數(shù)執(zhí)行時(shí),要求用戶鍵人正方管的內(nèi)孔邊長(zhǎng)和外方邊長(zhǎng)以及方管斷面中心點(diǎn)在繪圖 屏幕的位置或坐標(biāo),然后自動(dòng)繪出該正方管斷面圖并繪出剖面線。 A. Auto B. CAD C. 14 D. (CAD 14) ( B )。 14. CIMS 是 ______人 ________、 ______技術(shù) ________和經(jīng)營(yíng)三大方面的集成。 對(duì)話框如下: 第 20 頁(yè) 共 24 頁(yè) 考答案 :對(duì)話框中共需填 6 項(xiàng)內(nèi)容,每項(xiàng) 2 分,共 12 分。 A. 0. 5 B. 3. O C. 28 D. 200 6.在計(jì)算機(jī)技術(shù)的相關(guān)領(lǐng)域,通常將數(shù)據(jù)在硬盤中的存儲(chǔ)結(jié)構(gòu)稱為數(shù)據(jù)的 ( A )。 5. CAD/ CAPP/ CAM集成系統(tǒng)的類型可分為 ______傳統(tǒng)型 ____、 _____改進(jìn)型 _________和 _______數(shù)據(jù)驅(qū)動(dòng)型 _______________三種。 四、閱讀理解題 (12 分 ) 以下 DCL 文件被正確加載執(zhí)行后,屏幕上將顯示彈出式列表 (popup_list)展開時(shí)刻的對(duì) 話框內(nèi)容。s an cient indigenous religion, while Du jiang yan is considered to be the oldest functioning watercontrol project in the world. Chengdu ranked third in tourist facilities, management and services among 60 Chinese cities in a customer satisfaction survey released last year. But, Li added that efforts are still needed to develop more touris m products, improve English services and provide accurate translation of traffic signs and scenic billboards. Zhao Yun, chairwoman of British Chamber of Commerce South west China, told China Daily that his colleagues found the policy very convenient. A British client once flew here and stayed for just one day to check her ordered goods, she said. Zhao was born in Shanxi province, but she has lived in Chengdu for more than 10 years. My life was like a running race movin g from place to place. I also lived in Beijing and Shanghai before, she said. But Chengdu is a place that you never want to leave once settling down. It is now my second hometown, she said. If the environment is further improved, the city will attract more people to visit and live, with the 72hour visafree policy and pelling conditions in transportation, culture, climate and cuisine, he said. Foreigners also gave positive feedback on the policy. A spokesman from Dell Inc said the pany has a global hub of operation in Chengdu, so the threeday visa has an immediate and positive influence on the pany39。s public security bureau shows some 100 foreign visitors enjoyed the 72hour policy by the end of March, most of them from the United States, the United Kingdom and Germany. Chengdu also reported robust growth in its overall tourist industry last year. Official statistics show that it received some 150 million tourists last year, an increase of 28 percent from 2021. Around million came from abroad, an increase of 12 percent. Total revenue from touris m surpassed 133 billion yuan ($). During his visit to Kazakhstan in September, Chinese President Xi Jinping proposed that China and Central Asia join hands to build a Silk Road economic belt to boost cooperation. The idea has been widely echoed in Central Asian countries, being an encouraging blueprint for Chinese areas along the Silk Road that has linked Asia and Europe for more than 2,000 years. In the next three weeks, China Daily reporters will travel through the belt in China and in Kazakhstan, Uzbekistan and Turkey. They will show the progress and expectations of the countries, businesses and peoples on the route. Shaanxi the start of the ancient Silk Road has positioned itself as the new starting point for the development of the Silk Road Economic Belt, which will strengthen China39。 標(biāo)準(zhǔn)件: dialog{ Label=“庫(kù)存標(biāo)準(zhǔn)件”; : popup_list { Key=“ test_popup_box”; Edit_width=20; label=“標(biāo)準(zhǔn)件選用:”; list=“軸承\ n 螺紋緊固件\ n鍵\ n銷釘\ n彈簧\ n 聯(lián)軸節(jié)”; } ‘ ok_cancle; } 參考答案: 第 23 頁(yè) 共 24 頁(yè) 五、編程題 (10 分 ) 現(xiàn)有 AutoCAD下的對(duì)話框文件 。 (1)需先為這個(gè)數(shù)據(jù)元素申請(qǐng)一個(gè)存儲(chǔ)空間,得到一個(gè)新結(jié)點(diǎn)。 A. ***image B. ***pop0 C. ***popn D. ***buttonsn 8.在 CIMS 中,早期的制造資源計(jì)劃簡(jiǎn)稱為 (C )。 試卷代號(hào): 1119 中央廣播電視大學(xué) 2021~ 201l學(xué)年度第二學(xué)期“開放本科”期末考試 機(jī)械 CAD/ CAM 試題 2021年 7月 一、單項(xiàng)選擇題 (從所給的四個(gè)選項(xiàng)中,找出你認(rèn)為是正確的答案,將其編號(hào)填入題中括號(hào)內(nèi)。 、數(shù)據(jù)結(jié)構(gòu)、數(shù)據(jù)類型的基本概念。 二、填空題 (在所給的空位中填充你認(rèn)為是正確的答案,填充的答案數(shù)目應(yīng)與空位數(shù)目相一致。 (每小題 3 分,共 24 分 ) ,不屬于 CAM 工作范疇的內(nèi)容是 (B )。 3.簡(jiǎn)述決策表的結(jié)構(gòu)和作用。 3.. AutoLISF 語(yǔ)言使用的數(shù)值型數(shù)據(jù)有 ___整型 _______數(shù)和 ___實(shí)型 _______數(shù)兩類; AutoLISF’語(yǔ)言平 最重要的函數(shù)是用戶自定義函數(shù)的函數(shù) ____ defun( )______和調(diào)用 AotuCAD命令的函數(shù) __ mand ________。 A.按鈕、編輯框、標(biāo)簽 B.按鈕、列表框、文本 C.滾動(dòng)條、編輯框、標(biāo)簽 D.滾動(dòng)條、按鈕、編輯框 5.在
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