【正文】 旁邊為自鎖開(kāi)關(guān)控制電源通斷。按鍵從上到下依次為外加功能鍵、減一鍵、加一鍵、模式切換鍵、復(fù)位鍵。所以雖然 ALE 在實(shí)際的電路中有信號(hào)輸出 ,但用 proteus 仿真時(shí) ALE 則一直為高電平狀態(tài)，若用作 74HC74 時(shí)鐘信號(hào)， ADC0808 不能正常進(jìn)行沒(méi)有信號(hào)輸出，如下圖所示： 2M 時(shí)鐘信號(hào)作為 74HC74 的時(shí)鐘輸入信號(hào)，如下圖所示。在仿真時(shí)，調(diào)整相關(guān)電 阻值后，應(yīng)變片電阻變化與電壓和顯示重量的對(duì)應(yīng)變化關(guān)系如下表所示： 應(yīng)變片阻值變化/? 0.00 0.01 0.02 0.03 0.04 0.05 0.10 0.20 0.30 0.50 1.00 21 電壓/mV 0.00 0.02 0.06 0.10 0.14 0.17 0.35 0.71 1.07 1.78 3.21 質(zhì)量 /g 11 12 13 14 15 16 21 32 42 62 104 線性符合設(shè)計(jì)要求。 SW1 開(kāi)關(guān)擲向 RV1,可模擬超重情形。 （按鍵 0），可實(shí)現(xiàn)各種調(diào)節(jié)： 由于仿真時(shí)系統(tǒng)需要時(shí)間進(jìn)行計(jì)算以及考慮到電腦反應(yīng)速度問(wèn)題，按鍵時(shí)延時(shí) 2s后松開(kāi)，可確保仿真正確進(jìn)行。再按一下模式切換鍵即顯示去皮處理后狀態(tài)。 【數(shù)字電子稱(chēng)】的制作中，我主要負(fù)責(zé)焊接還有編程，過(guò)程非常艱辛。因?yàn)閷W(xué)習(xí)和實(shí)踐必須結(jié)合起來(lái)，才能真正弄懂專(zhuān)業(yè)知識(shí)。還好及時(shí)發(fā)現(xiàn)問(wèn)題及時(shí)解決了?？梢陨想姾螅l(fā)現(xiàn)顯示器并沒(méi)有顯示出我們預(yù)想的信息，所以又從程序中開(kāi)始找起，調(diào)試完程序，真是一波三折，我們的【數(shù)字電子稱(chēng)】終于得以成功。t agree with the disciplinary action your employer has taken against you ? your employer dismisses you and you think that you have been dismissed unfairly. For more information about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。t charge you more than 35% of your pensation if you win the case. If you are thinking about signing up for a damagesbased agreement, you should make sure you39。s antiracism taskforce, is in London for the Football Association39。s Premier League match at Chelsea on Sunday. 24 I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s 21 win. Michel Platini, president of European football39。s actions. CSKA said they were surprised and disappointed by Toure39。 May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it. 一字開(kāi)頭的年齡已經(jīng)到了尾聲?？傆X(jué)得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫(xiě)點(diǎn)什么。 The end of our life, and can meet many things really do? 而窮盡我們的一生，又能遇到多少事情是真正地非做不可？ During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。t really grow up, it seems is not so important。t want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself has already can39。 Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來(lái)，這個(gè)世界上，對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的，除了非做不可的堅(jiān)決，還有，時(shí)間。s time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of 25 miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a selfrighteous spiritual. 一個(gè)人的時(shí)候，自己的想法總是特別地清晰。也曾經(jīng)好像已經(jīng)下定了決心去做某件事，但更多的時(shí)候是最后又打起了退堂鼓。那些曾經(jīng)所謂的非做不可，只是青蔥年華里自己給自己注射的一支強(qiáng)心劑，或者說(shuō)，是自以為是的精神寄托罷了。 Those were broken into various shapes of stationery。 Have declared the end of the encounter that haven39。突然想到那件藍(lán)格子襯衫；那些被折成各種各樣形狀的信紙；那段從街角深巷伊始的友誼；還有那場(chǎng)還沒(méi)有開(kāi)始就宣告了終結(jié)的邂逅計(jì)劃 …… 那些年那些天的非做不可，終于和青春一樣，都將在我們的人生中謝幕。ll be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. 26 Skydiver preps for the big jump When he jumps, he is expected to reach the speed of sound 690 mph (1,110 kph) in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him pletely. If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes it39。t. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters). cause there