keystones怎么读，keystones的音标和真人发音
keystones是什么意思，keystones的意思是
n.重点( keystone的名词复数 )；要旨；基本原理；拱心石
keystones 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- Listing the keystones of foreign policy , cardinal tauran stressed the " right to life at all stages of biological development " .
- 在列出其外交政策的重点时，图兰枢机强调了“生命在生物发展的所有进程中的权利”。
- In the light of tourist-laws legislation and enforcement since 1978 , legal construction in tourism can be divided into three different historical stages , which have reflected respective working keystones and time features .
- 从1978年以后旅游立法及旅游执法工作的开展情况来看,旅游法制建设过程大致可以分为三个不同的历史发展阶段,体现出各自的工作重点和时代特征。
- It produces state-of-the-art weapons systems , including unmanned drones , the keystones of the future of modern warfare . Lockheed martin is also one of the key contributors to american space technology , which accounts for about 20 % of its revenue .
- 它生产最先进的武器设备，包括无人机，现代战中的的利器，而且是美国航天技术的主要提供者，这部分占销售额的20%。
- When you go to bed and when you get up are keystones to restful , refreshing sleep .
- 何时睡觉和何时起床是获得使人休息充分、精神焕发的睡眠的关键。
- In this paper , it has modified the np problems ( course arrangement ) with ga , and explained the keystones , ideology , techniques difficult , solving scheme of system design .
- 本文用遗传算法对排课系统的np完全问题进行一定的优化，重点的说明了系统设计的重点、设计思想、难点技术和解决方案。
- The keystones and components of pcr and its applications in the study of insect resistance , environmental toxicology of pesticide , mechanism of pesticide and the exploitation of bio-pesticides are introduced in this paper .
- 本文简要介绍pcr技术的基本原理和特点,以及其在靶标生物抗药性研究、农药环境毒理、农药作用机理、生物农药的开发等方面的应用。
- On the realistic keystones to effectively respond to the international financial crisis .
- 我国有效应对国际金融危机的现实看力点。
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