【正文】 he children for miles around, so that it was astonishing to 沈陽(yáng)航空工業(yè)學(xué)院畢業(yè)設(shè)計(jì)論文 致謝 26 encounter one that I had never seen before. A grain of sand, teetering on the brink of the pit, trembled and fell in。 then, as though goaded from below, he vaulted up and onto the beach, turned, and kic ked sand into the dar k hatchway from which he had emerged. It slammed shut. The boy was about fourteen. For a time he squatted, pushing the sand aside and trying to find the door. A few centimeters down, his hands met a gritty, solid material which, though neither concrete nor sandstone, shared the qualities of both sandfilled anic plastic. On it he scraped his fingers raw, but he could not locate the edges of the hatch. Then he stood and looked about him, his head moving continually as the heads of certain reptiles go back and forth, with no pauses at the terminations of the movements. He did this constantly, ceaselessly alwaysand for that reason it will not often be described again, just as it will not be mentioned that he breathed. He did。 like some palace maze being as it progressed more and more draped with creepers and lianas with gree n, scarlet, and yellow leaves, the palms interspersed with bamboo and deciduous trees dotted with flaming orchids until almost at the limit of his sight the whole ended in a spangled wall whose predominant color was blackgreen. The boy walked toward the beach, then down the beach until he stood in kneedeep water as warm as blood. He di。s, turned from side to side. The boy was thin, and naked as a frog. Ahead of him the sand sloped gently down toward sapphire water。 with dilated eyes hypnotically dark he paused, his neck just w here the ant lion39。 then a shaking of the top twigs in a bunch of bushes caught my eye. The branches parted, and a face looked out at me. It was a small face, sunburned, and clustered about by dark curls. The expression was somewhat serious, but the eyes sparkled. We regarded one another for a moment, then: 39。 other people, as far as she knew, did not have such pictures in their heads, either sleeping or wa king, so it would be unwise to mention them. That was good advice, and luc kily I had the sense to ta ke it. People in our district had a very sharp eye for the odd, or the unusual, so that even my lefthandedness caused slight disap proval. So, at that time, and for some years afterwards, I did not mention it to anyone — indeed, I almost fot about it, for as I grew older the dream came less frequently, and then very rarely. But the advice stuc k. Without it I might have mentioned the curious understanding I had w ith my cousin Rosalind, and that would certainly have led us both into very grave trouble — if anyone had happened to believe me. Neither I nor she, I think, paid much attention to it at that time : we simply had the habit of caution. I certainly did not feel unusual. I was a normal little boy, growing up i n a normal way, taking the ways of the world about me for granted. And I kept on like that until the day I met Sophie. Even then, the difference was not immediate. It is hindsight that enables me to fix that as the day when my first small doubts started to germinate. That day I had gone off by myself, as I often did. I was, I suppose, nearly ten years old. My next sister, Sarah, was five ye ars older, and the gap meant that I played a great deal alone. I had made my way down the carttrack to the south, along the borders of several fields until I came to the high bank, and then along the top of the bank for quite a way. The bank was no puzzle to me then: it was far too big for me to think of as a thing that men could have built, nor had it ever occurred to m e to connect it with the w ondrous doings of the Old People whom I sometimes heard about. It was simply the bank, ing round in a wide curve, and then running straight as an ar row towards the distant hills。 yet, waking, I had never seen the sea, or a boat. ... And the buildings were quite unlike any I knew. The traffic in the streets was strange, carts running with no horses to pull them。我表示 衷心 的感謝！劉 老師 那種 認(rèn)真負(fù)責(zé)的工作態(tài)度，嚴(yán)謹(jǐn)?shù)闹螌W(xué)精神 也 使我 受 益匪淺 ，這在我以后 工 作中會(huì)有很大的幫助，再次感謝劉老師﹗ 非常感謝系里各位老師在畢業(yè)設(shè)計(jì)階段為我們所做的一切工作，感謝他們?yōu)槲覀兲峁┝己玫沫h(huán)境，并對(duì)我們的畢業(yè)設(shè)計(jì)進(jìn)行督促，讓我們能按時(shí)完成任務(wù)。沈陽(yáng)航空工業(yè)學(xué)院畢業(yè)論文 參考文獻(xiàn) 23 參考文獻(xiàn) [1] 鐘軍 . Visual Basic 數(shù)據(jù)庫(kù)高級(jí)實(shí)例導(dǎo)航 [M].北京：科學(xué)出版社 .2020 [2] 李曉黎 .Visual Basic SQL Server 數(shù)據(jù)庫(kù)應(yīng)用系統(tǒng)開發(fā)與實(shí)例 [M].北京：人民郵電出版社 .2020 [3] 薩師煊，王珊 .數(shù)據(jù)庫(kù)系統(tǒng)概論 [M].北京：高等教育出版社， 2020 [4] 溫志華，王顯文 ． Visual Basic 多媒體實(shí)用編程技術(shù) [M]． 北京：中國(guó)水利水電出版社， 2020 [5] 段興等 .Visual Basic 控件實(shí)用程序設(shè)計(jì) 100 例 [M].北京：人民郵電出版社 .2020 [6] 飛思科技產(chǎn)品研發(fā)中心 .Visual Basic 數(shù)據(jù)庫(kù)開發(fā)實(shí)例精粹 [M].北京：電子工業(yè)出版社 .2020沈陽(yáng)航空工業(yè)學(xué)院畢業(yè)設(shè)計(jì)論文 致謝 24 致 謝 經(jīng)過這幾 個(gè)月的畢業(yè)設(shè)計(jì)，基本上完成了自動(dòng) 點(diǎn)播 系統(tǒng)的開發(fā)。 調(diào)整音箱效果：音量 /伴音 /人聲 /左右聲道/原唱 /清唱 /低音 /升調(diào) /高音等；點(diǎn)播曲目管理：選中的曲目排隊(duì) /選中的曲目?jī)?yōu)先被點(diǎn)唱 。例如上面列舉出的歌曲查詢問題。 (2) 在對(duì)歌曲信息進(jìn)行復(fù)合查詢時(shí)，提取和組合 sql 語(yǔ)句時(shí)，遇到了查詢出錯(cuò)，或者只能進(jìn)行單一條件查詢的情況，后來經(jīng)過調(diào)試，找出了錯(cuò)誤所在，在組合兩個(gè)條件的 sql 語(yǔ)句時(shí)，第二個(gè)語(yǔ)句中的 where 沒有去掉，在去掉它之后，能夠順利查詢了。為增強(qiáng)系統(tǒng)的可靠性和健壯性，我盡可能地考慮各種運(yùn)行時(shí)可能發(fā)生的錯(cuò)誤 ： ① 搜索歌曲時(shí)，搜索的內(nèi)容與數(shù) 據(jù)庫(kù)表的匹配等問題。在這個(gè)階段中，要盡可能對(duì)系統(tǒng)進(jìn)行反復(fù)的測(cè)試，從而得出對(duì)系統(tǒng)的進(jìn)一步的改進(jìn)，使系統(tǒng)更加完善，滿足用戶對(duì)系統(tǒng)的需要。 播放控制歌曲：主要實(shí)現(xiàn)對(duì)歌曲的控制，包括播放 、 暫停 、 停止 、 上一曲 、下一曲等 。查詢到這首歌后，點(diǎn)中一下，這首歌曲就添加到了已選的表里，然后就可以播放控制歌曲了。這兩個(gè)函數(shù)先調(diào)用 GetLineInfo 和 GetLineControl 函數(shù)來確定所對(duì)應(yīng)的線路的控制 ，然后調(diào)用 GetControlDetails 和 SetControlDetails 來設(shè)置音量值。 音量控制：在唱歌的時(shí)候，可以調(diào)節(jié)音箱和話筒音量的大小。 (2) 播放控制 子模塊功能描述 上一曲：這個(gè)按鈕控件的功能是播放列表框中當(dāng)前播放歌曲的上一首曲目，如果播放的歌曲是第一首歌曲則播放的還是第一首歌曲。 韓語(yǔ)：點(diǎn)中后顯示歌曲語(yǔ)種是韓語(yǔ)，然后在歌曲拼音查找想要點(diǎn)的歌曲。 語(yǔ)種 點(diǎn)播 子模塊 (1) 界面設(shè)計(jì)：該界面可以 按照漢語(yǔ)，英語(yǔ)，日語(yǔ)，韓語(yǔ)，粵語(yǔ)，臺(tái)語(yǔ)六種查詢歌曲模式 。 影視金曲：點(diǎn)中后顯示歌曲類型是影視金曲，然后在歌曲拼音查找想要點(diǎn)的歌曲。 圖 歌曲分類圖 (2) 類型 點(diǎn)播 子模塊功能描述 情歌：點(diǎn)中后顯示歌曲類型是情歌，然后在歌曲拼音查找想 要點(diǎn)的歌曲。 樂隊(duì)和組合：點(diǎn)中后顯示所有樂隊(duì)的歌曲，然后在按樂隊(duì)拼音查找具體樂隊(duì)，再按歌曲拼音查找要點(diǎn)播的歌曲。 沈陽(yáng)航空工業(yè)學(xué)院畢業(yè)設(shè)計(jì)論文 第 4章 系統(tǒng)行為特性設(shè)計(jì) 17 圖 顯示歌星 點(diǎn)播 界面圖 (2) 歌