题目内容
提高压杆稳定性的主要措施有。
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受轴向压力时，细长杆件的轴线由直线弯成一条曲线。
[音频]A：Mr. Warner, it's __________1__________.B：It's very kind of you to have invited me.A：Now, I'd like you to meet my colleagues. Allow me __________2__________. This is Mr. Zhang,the assistant manager of our company. He is in charge of the sales department. This is Mr. Zhao. He is __________3__________.B：Oh, how nice! I'm glad to meet you Mr. Zhang and Mr. Zhao.C＆Z：Glad to meet you, too.A：Now, let's be seated. Have a cup of tea, please.B：It's good __________4__________. I like it.A：I'm glad to hear that. By the way, Mr. Warner, do you intend to have a long stay here？B：About more than one month. This is meant to be both a business and pleasure trip.A：That's a good idea. Hope you'll __________5__________.C＆Z：Dinner is ready. Please go to the table.
我国外币报表的折算实质上采用的是现行汇率法。
多电子原子的能量取决于量子数（）
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