题目内容
一个完整的计算机系统包括（）。
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土的极限平衡条件，就是土在极限平衡状态下，土中的主应力与土的抗剪强度参数之间的关系式（ ）
直接剪切试验时，土样沿最薄弱的面发生剪切破坏
三轴剪切试验是指土样在压力室内可以受到竖向和侧向压力的作用（ ）
Dear Mum,Thanks for your email. I'm really 1 I haven't written before now. I 2 a fantastic time in Germany. The university is great, but3here is 4expensive for me and I've5nearly all my money. Can you 6me some money, please? I 7 I'll 8 you back when I come home. Next week 9to get a job. Then perhaps I can 10some money for next term. But until then I need a bit more to pay my room. Thanks a lot, Mum!Love,Caroline
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