查询词典 arc

This suggests that,even under high water fugacity,substantial crystallization of apatite during early stage of magmatic evolution is able to prevent some arc magmatism from evolving into adakitic rocks.

这进一步表明，即使在高水逸度的条件下，磷灰石在岩浆早期的大量结晶可以有效地阻止一些弧岩浆演化成为埃达克质岩石。

Because the post-arc fulgurite current is very small, it is required that measurement equipments have high sensitivity.

由于弧后残躯电流的数值一般都比较小，所以对测量所用的试验设备就有一定的要求。

The post-arc characteristic is related to the shape and structure of fulgurite tightly.

熔断器的弧后特性与熔断器的残躯形状和结构有着密切的关系。

The experimental post-arc fulgurite resistances are compared to theoretical ones and these results are analyzed.

研究了影响弧后残躯电阻的主要因素，总结其规律性，确定出最佳工作状态，对优化设计提供了可靠依据。

The main influence factors in post-arc fulgurite resistance are studied, which is useful to give an optimal design of a fuse.

研究了影响弧后残躯电阻的主要因素，总结其规律性，确定出最佳工作状态，对优化设计提供了可靠依据。

Several fuses with different fuse material are used to measure their post-arc fulgurite resistance.

并与理论计算进行了比较，且从理论上加以解释。

The reignition phenomena and interrupting performance of a fuse can be studied by measurement to the post-arc fulgurite current.

因此通过弧后电流的测量可以深入研究有关熔断器的重燃问题和开断性能。

A post-arc fulgurite resistance model of fuse, which considers that the shape of fulgurite is cylinder, is developed.

因此，本文提出了一种由于弧后残躯冷却而导致残躯电阻增长的简化圆柱形模型。

Using the map algebra function of the ARC/INFO system,a map of flood hazard assessment for Xiang River Basin is constructed by taking various natural factors,such as precipitation,topography and historic flood frequency,into consideration.

在综合考虑降雨量、地形以及历史上洪水灾害发生频次等自然因素的条件下，利用地图代数分析得到了湘江流域洪水灾害危险性评价图；在综合考虑人口密度、耕地面积百分比、人均GDP和单位面积水库和塘坝容量等社会经济指标的基础上，利用模糊综合评判法得到了湘江流域洪水灾害脆弱性评价图。

The moon has a diameter of about 30 arc minutes, so the Galilean telescope only reveals approximately one-fourth of the moon's surface at one time.

月球有大约直径30弧分，所以伽利略望远镜不仅揭示大约有一次在月球表面的四分之一。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。