试题与答案

在做“验证力的平行四边形定则”实验中,小明画出了下图,其中合力的理论值是(填F或

题型:填空题

题目:

在做“验证力的平行四边形定则”实验中,小明画出了下图,其中合力的理论值是        (填F或F′)。若由于F1的误差使F1F2的合力F方向略向左偏,引起这一结果的原因可能是F1的大小比真实值偏________(大或小)

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:关节由关节面、关节软骨、关节囊和关节腔组成。其中关节囊由结缔组织构成,附着于关节面周缘,囊壁分内、外两层,外层为纤维层,内层为滑膜层,滑膜层与关节软骨围成密闭的关节腔。滑膜分泌滑液...

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题型:单项选择题

A management domain typically contains a large amount of management information. Each individual item of  (1) information is an instance of a managed object type. The definition of a related set ofmanaged (2) types is contained in a Management Information Base (MIB) module. Many such MIB modules are defineD. For each managed object type it describes, a MIB  (3) defines not only the semantics and syntax of that managed object type, but also the method of idenfying an individual instance so that multiple (4) of the same managed object type can be distinguisheD. Typically, there are many instances of each managed object (5) within a management domain.

空白(1)处应选择()

A.rotation

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C.management

D.transmission

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