A、正确
B、错误
喵查答案:正确
薄壁圆筒扭转时,其横截面上的切应力近似为均匀分布。
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圆轴扭转时,横截面上只有切应力,没有正应力。 -
相同质量的材料分别做成长度相同的空心轴和实心轴,实心轴抗扭性能更好。 -
切应力互等定理仅适用于纯剪切状态。 -
只要在杆件的两端作用两个大小相等、方向相反的外力偶,杆件就会发生扭转变形。
- To demonstrate the potential of this new approach, two filler geometrics ___________ (use): sandglass and cheese segment. (在判断该句在摘要的哪部分内容中出现的基础上,填入所给动词的适当形式)
- This paper____________ (investigate) a new strategy for radio resource allocation applying a non-orthogonal multiple access (NOMA) scheme. (在判断该句在摘要的哪部分内容中出现的基础上,填入所给动词的适当形式)
- Both descriptive abstracts and informative abstracts present the information of the original work in an objective and neutral tone.
- A good scientific abstract includes all the key information of the original work.
- Technical jargons, colloquialisms and details can be used in Scientific abstract.
- People should avoid using words or terms in the title as keywords.
- “This motivated us to explore the use of DNNs in the context of photo editing.” is an acceptable sentence in a scientific abstract.
- A good scientific abstract should be well-organized. The several sections it consists are arranged sequentially: introduction, method(s), result(s) and conclusions.