轴承的类型有( )。 a plain or slider bearing (滑动轴承) b rolling or anti-friction bearing(滚动轴承) c angular contact ball bearing (角接触轴承) d cylindrical roller bearing (圆柱滚子轴承)
阶梯状的轴形状是( )。 a . 两头大中间小 b . 两头小中间大 c . 从一端到另外一端逐渐增大 d . a,b,c选项都可以
please compare the following three sentences and point out the stylistic effect of “(3) no spitting”. (1) expectoration is forbidden. (2) please do not spit! (3) no spitting.
suprasegmental features is difficult to be represented in writing, but sometimes it is more effective than phonemes, words and clauses.
好的页面置换算法要尽可能避免()现象。
内踝是下列哪一骨的一部分
scientific english develops from abstract to concrete, from empirical to rational, and from dynamic to static.
当环境的变化时,企业通过自己的努力限制或扭转环境中存在的不利因素的策略属于( )。
the rhetorical device used in the passage “united, there is little we cannot do in a host of cooperative ventures. divided, there is little we can do, for we dare not meet a powerful challenge at odds and split asunder.” is __________.
which of the following is not the meta-function in visual context?
根据我国海商法,海事赔偿责任限制的主体包括( )
one feature of news report is meaning contraction, that is, using the least amount of form to encode the most amount of meaning. of the following choices, which one does not belong to meaning contraction?