题目内容
点的三面投影的规律是：点的两面投影的连线必投影轴；点的投影到投影轴的距离，等于空间点到对应的距离。
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点到面的距离为该点的X坐标，点到面的距离为该点的Y坐标，点到面的距离为该点的Z坐标。
1.He has been a medical ______________ for ten years.2.My computer is too slow and I want to ______________ it.3.He loses all his money in the economic ______________.4.I do not believe we need to ______________ the Hong Kong Dollar.5.The delay is due to ______________ of hands.6.Being active, creative and ______________ is a plus.7.The most important __________ in a company is its employees.8.The school will ______________ new students in September.9.You’d better ______________ a lawyer before you make the decision.10. It is strange that such a rich man should be so ___________.
负载三角形联接的三相电路线电压等于相电压。
负载三角形联接的三相电路线电流等于相电流。
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