long period的例句大全

Fiber grating, including both fiber Bragg grating ( FBG) and long period fiber grating ( LPFG) is one of the most important passive devices in optical communications, optical sensing and optical information processing technologies.

光纤光栅是光通信、光传感及光信息处理等领域最为重要的光无源器件之一。此外，光纤光栅，尤其是长周期光纤光栅（LPFG）还对外界折射率的变化很敏感。

Family sex education is being launched imperceptibly nowadays, individual education in time and over a long period time especially about sex hygiene and safety of life towards girls has made family sex education a necessary part.

家庭性教育在潜移默化中开展，其个别式教育的及时性和长期性，特别是对女孩的性卫生教育和人身安全教育，使家庭性教育成为青春期性教育中不可或缺的一环。

Radon-impermeable technique, mineralized water and free water analysis, and formation-sealing measures are adopted. All this keeps the pits stable for a long period of time. Test results show that pit specifications meet design requirements.

技术，矿化水、自由水分析及地层全密封措施，以保证放射性长期稳定，而且数据定值分析、测定结果数据与设计值相符。

Loss of sensory or motor function for a long period of time will lead to atrophy of the muscles and deformity of a lot of patients with nerve injury.

而感觉或运动的缺失持续时间过长将继发肌肉萎缩，造成许多神经伤病人的残废。

Out of the limitation of focusing on only one event to research the agenda setting, this article chooses the changes of household registration policy, which spans for a long period, to explore input mechanism of agenda setting and functional mechanism of medium and policy agenda.

本文打破了通常以单一焦点事件为案例，来研究议程设置的局限，选择了户籍制度变迁这一长时间跨度的参照系，探究政策议程的输入机制，及媒介对政策议程的作用机制。

The study concludes that the municipal water has basic natures of coupling, integration, level variation and dynamic, and economic and technical characteristics of regional monopoly, quasi-public goods, externalities, capital-intensive investment and a long period of return.

研究认为城市水务产业具有耦合性、整体性、层次性和动态性的基本属性；具有区域垄断性、准公共物品性、外部性、资本密集和投资回收期长等技术经济特征。

The main goal of the experiment is to see how isolation and space food over a long period affect the physical and mental health of astronauts.

这一试验的主要目的是考察长时间的隔离条件和食用太空食品对宇航员身心所产生的影响。

The controversy about the elements of the general torts liability has existed for a long time in our country. Through a long period of evolution, there is the viewpoint opposition between the theory of three elements and the theory of the four elements.

我国关于一般侵权责任的构成要件的争论由来已久，经过长期的演化，当前已经形成了三要件说和四要件说的对立。

This idea had become a discrimination through long period of time and had taken root deeply in ancient people's mind, which was extremely sensitive to brothel girls, too.

这种经过漫长积累，有着很强的群众基础的根深蒂固的歧视，最让青楼女子敏感。

Determination of long period gravity tide parameter at Wuhan Station

武汉重力固体潮长周期潮汐参数的确定

Cement concrete may undergo the thaumasite form of sulfate attack when it is exposed to low temperature, high humidity, sulfate, carbonate and adequate water for a long period of time.

TSA侵蚀是水泥混凝土在低温、高湿、硫酸盐与碳酸盐长期作用下发生的一种特殊的硫酸盐侵蚀形式。

The Long Period Oscillation of the Terrestrial Pole

地极的长周期摆动

These anemometers share the same features of low measurement accuracy, narrow range, long period to test and short duration. Besides, the measuring results are easily affected by external environmental factors.

这几种原理的风速仪测量精度低、范围小、测量周期长、持续工作时间短，且测量结果易受外部环境因素的影响。

But, the traditional test methods match long period and high cost.

用传统试验方法匹配，周期长、费用高。

United Nations forces policed the Gaza strip for a long period.

联合国（维持和平）部队在加沙地带维持治安很长一段时间。

Thereinafter, I will introduce on the road movie as an independent morphology to discuss its characteristic better and more roundly, and to make it break away from its embarrass status in such a long period.

本文试图将在路上电影作为一个独立的形态学的概念提出，更全面、更准确地探讨其形态特征，从而使其摆脱长期处于边缘地位的尴尬立场。

After adapting to different light environment for a long period, sun and shade leaves have many significant differences in photosynthetic characteristics.

珊瑚树阳生和阴生叶片是在不同光照环境中长期生长的，它们的光合特性有一些明显的差异。

Assurance of interest and principal payments or maintenance of other terms of the contract over any long period of time may be small.

就长期而言，利息与本金的清偿或其他契约条件的履行均甚难确保。

This paper analyzed grating based on coupled-mode theory and segmented transfer matrix method. The analysis of Long period fiber grating coupler-mode is based on the three-layer model of the fiber and coupled-mode theory of the grating.

本文从耦合模理论出发，采用分段的传输矩阵法，对声光长周期光纤光栅进行详细的理论分析。

moreover, the enameled wire is anticorrosion, and the pattern made thereof can be preserved for a long period even under wet environment.

另外，漆包线耐腐蚀，漆包线制作的图案即使在很潮湿的环境中也能长期保存。