low developed area

Considering the general low visibility, and disabled submarine's big inclining, rapid ocean current condition of China's sea area, a multi-manipulator interfacing instrument of DSRV is developed.

基于我国多数海区能见度低的情况，以及失事潜艇具有较大纵横倾、海底水流较大等不利状况，研制了深潜救生艇多机械手对接装置。

In the rebuild project of improving vision environment for purpose of developed area, the tendency of increase only not to reduce, low cost and high income becomes prevalent.

在以改善视觉环境为目的的工业街区改造项目中，“只增不减”、“低成本高收益”的倾向不容忽视。

It was the most excellent representative of the low microwave dielectric ceramic materials, which can be developed as filters and resonators using in the microwave frequency area.

它是低类微波介质陶瓷材料的最优秀的典型代表，可作为滤波器、谐振器上的介质材料应用在微波范围。