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【多选题】
工件材料切削加工性的衡量指标有哪些?A.
刀具使用寿命
B.
切削力或切削温度
C.
加工表面质量
D.
断屑性能
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】若锋作为密度的一级不连续面，则锋附近气压分布特征是锋区内（）气旋式曲率比锋区外大得多，或锋区内等压线反气旋式曲率比锋区外小得多。
【单选题】The Japanese ( ) grew at an annual rate of more than 10 percent.
A.
economics
B.
economic
C.
economy
D.
eoconomist
【简答题】听力原文：People should get no more than 10 percent of their calories from sugar, experts say in a major new report on how to control the rising obesity-linked diseases around the world. (53)
【单选题】Even today, poverty is still a big problem in the United States, ______ more than 10 percent of the whole population.
A.
and that affect
B.
affected
C.
affecting
D.
it affects
【判断题】Rote memory requires repetition, immediate feedback, and associating new materials to be memorized, so rote instructional techniques should be used more than 10 percent of instructional time.
A.
正确
B.
错误
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