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【多选题】
以下关于多旋翼重量配平的说法中,正确的是
A.
质心偏差较大时同样可以采取调整电机控制增益的方式达到较好的配平
B.
如果由于飞机特性无法达到物理上的配平，则需要在俯仰和滚转通道上加入前馈控制
C.
质量配平的作用是使多旋翼质心落在几何中心轴线上，以获得较好的运动性能
D.
质心偏差较小时，可以通过调整电机的控制增益，增加偏重一侧电机的转速，以此达到较好的配平
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【单选题】梁的斜截面受剪破坏形态受剪跨比λ的大小影响很大,当λ3时无腹筋梁常发生()
A.
斜压破坏
B.
剪压破坏
C.
斜拉破坏
D.
剪拉破坏
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【单选题】失败的原因之一是他的粗心大意
A.
One of the reasons he failed is his carelessness.
B.
One of the reasons he failed is his carefulness.
C.
The reasons he failed is her carelessness.
D.
One of the reasons he didn’t fail is his carelessness.
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【单选题】What's the function of FDA?______.
A.
To ensure the safety of food and drugs.
B.
To promote the sales of food and drugs.
C.
To supply people with new food.
D.
To control the production of food and drugs.
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【简答题】二、完成下列句子,没空一词。( 60 分) 1. 抄写数字是最烦人的。 ________ ________ ________ ________ ________ than copying the number. 2. 尽管他失败过很多次,他从来不泄气。 ________ ________ ________ ________ ________ , he never lost heart. 3. 你想...
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【单选题】根据剪跨比λ的大小和配箍率的多少,梁的斜截面破坏(剪切破坏)可以分3种:斜拉破坏、斜压破坏、剪压破坏。在这3种破坏形式中,受力性能最好的是哪一种?_________
A.
斜拉破坏
B.
斜压破坏
C.
剪压破坏
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【简答题】When a storm is coming, most people leave the area as quickly as possible and head for safety…But there are a few people who will get into their cars and go straight for the center of the storm．These ...
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【单选题】在无腹筋梁中，当剪跨比λ较大时(一般λ＞3) ，发生的破坏常为(    )。
A.
斜压破坏  
B.
剪压破坏    
C.
斜拉破坏
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【单选题】'Mommies and Daddies out there' were worried
A.
about the author's personal safety.
B.
that the author's union would fail in the election.
C.
about the opposition in the hospital.
D.
that the author couldn't get through the pressure.
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【简答题】根据汉语意思完成句子,每空一词。 一、. 他只不过是个孩子,你应该对他耐心点。 He is just a child,so you should ____1____ _____2___ _____3___ him. 二、. 他们失败之后决定更拼搏,并且投入更多的努力。 They decided to work harder and ___4_____ ___5_____ _____6___ _...
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相关题目：
【单选题】梁的斜截面受剪破坏形态受剪跨比λ的大小影响很大,当λ3时无腹筋梁常发生()
A.
斜压破坏
B.
剪压破坏
C.
斜拉破坏
D.
剪拉破坏
查看完整题目与答案
【单选题】失败的原因之一是他的粗心大意
A.
One of the reasons he failed is his carelessness.
B.
One of the reasons he failed is his carefulness.
C.
The reasons he failed is her carelessness.
D.
One of the reasons he didn’t fail is his carelessness.
查看完整题目与答案
【单选题】What's the function of FDA?______.
A.
To ensure the safety of food and drugs.
B.
To promote the sales of food and drugs.
C.
To supply people with new food.
D.
To control the production of food and drugs.
查看完整题目与答案
【简答题】二、完成下列句子,没空一词。( 60 分) 1. 抄写数字是最烦人的。 ________ ________ ________ ________ ________ than copying the number. 2. 尽管他失败过很多次,他从来不泄气。 ________ ________ ________ ________ ________ , he never lost heart. 3. 你想...
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【简答题】请问下图品种的典型外貌特征是什么?其代表产品为何?
查看完整题目与答案
【单选题】根据剪跨比λ的大小和配箍率的多少,梁的斜截面破坏(剪切破坏)可以分3种:斜拉破坏、斜压破坏、剪压破坏。在这3种破坏形式中,受力性能最好的是哪一种?_________
A.
斜拉破坏
B.
斜压破坏
C.
剪压破坏
查看完整题目与答案
【简答题】When a storm is coming, most people leave the area as quickly as possible and head for safety…But there are a few people who will get into their cars and go straight for the center of the storm．These ...
查看完整题目与答案
【单选题】在无腹筋梁中，当剪跨比λ较大时(一般λ＞3) ，发生的破坏常为(    )。
A.
斜压破坏  
B.
剪压破坏    
C.
斜拉破坏
查看完整题目与答案
【单选题】'Mommies and Daddies out there' were worried
A.
about the author's personal safety.
B.
that the author's union would fail in the election.
C.
about the opposition in the hospital.
D.
that the author couldn't get through the pressure.
查看完整题目与答案
【简答题】根据汉语意思完成句子,每空一词。 一、. 他只不过是个孩子,你应该对他耐心点。 He is just a child,so you should ____1____ _____2___ _____3___ him. 二、. 他们失败之后决定更拼搏,并且投入更多的努力。 They decided to work harder and ___4_____ ___5_____ _____6___ _...
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