application present status的意思|示意

The present paper introduce mainly basic principle, device characteristic and making method of long-period fiber grating and outlines the application status in optical communication and sensor system.

介绍长周期光纤光栅基本工作原理、器件特性和制备方法，同时对这种器件在光通信和传感系统中的应用状况作了简要概述。

Application study present status of super fine iron powder in recent years is reviewed roundly.

对近年来超细铁粉的应用研究现状作了较为全面的综述。

Based on the comprehensive analysis of the application status and the existed problem of traction line fault location, the thesis present a new fault locator principle based on distributed parameter.

本文分析总结了现有的国内外故障定位的理论与技术以及存在的问题，并在此基础上提出了基于分布参数的牵引网故障测距原理。

The present status abroad, domestic level and its application of filmatic bearing oil were described. The artificial obstacle about native production and hope in future were analysed.

介绍了油膜轴承油国外现状和国内水平及其应用简况，分析了油膜轴承用油国产化的人为障碍及今后国产化的希望。

The relation between power electronics and micro-electronics, present status and future trends and application of power electronics technology are described in this paper.

本文介绍电力电子技术与微电子技术的关系及电力电子技术的发展趋势及应用。

The shape memory mechanism, status of development over the late years, present status and prospects of application of shape memory ferrous alloys have been reviewed.

综述了铁基形状记忆合金的形状记忆机理，近年来的研制概况，及其应用的现状和前景。