- 重点词汇
- convex lens凸球镜片;火镜;凸透镜;凸镜;
- were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
- myopian. 近视;短视;目光短浅;缺乏远见;缺乏深谋远虑;
- subjectsn. 主题( subject的名词复数 );话题;主语;学科;
- andconj. 和，与;而且;于是，然后;因此;
- ofprep. 关于;属于…的;由…制成;
- in front of在…前面;当着…的面;面前;
- byprep. 在…旁边;表示方式;由于;经过;到…之前;
- methodsn.method的复数：方法;方法( method的名词复数 );方法论;教学法;分类法;
- 相关例句
Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.
配戴低度凸透镜可降低小学生近视的发生率.
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结论配戴低度凸透镜可降低小学生近视的发生率.
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Two kinds of convex lens which make parallel rays converge to the focal point are given.
本文给出两种能使平行光严格聚焦于一点的凸透镜.
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这篇论文在总体上沿着广义凸性的定义来展开讨论有效解的判别条件和对偶问题.
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Finally, we also give the duality theorems under the above generalized F convexity.
最后我们亦讨论了(VP)在正切锥真有效解意义下的对偶性质.
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凸形螺杆通常是螺杆机械产品中的重要部件,要求其具有较高的精度.
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The things are decided by many factors, and they always appear convexity.
事物的“居中”与“多元”是由事物内在的多个因素所决定.
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Weak duality theorem is established under generalized convexity conditions.
在广义凸性条件下,建立了弱对偶性定理.
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The convexity of the seed capsule is of decisive importance in host selection.
种子囊的突起对寄主的选择起着决定性的作用.
词典精选例句
They waited at the door in groups be taken in some conveyance that I couldn't see.
他们成群结队地等在门口,让一种我看不见的运输工具载走.
网络文摘精选
