查询词典 precursor

Then the muzzle flowfield with muzzle brake was simulated with the aforementioned experience. Those complex phenomena including precursor shock caused by quickly moving of projectile, muzzle flow structure produced by propellant gases, affection of blast wave behind muzzle area which formed by leading angle of muzzle brake, etc, can be observed clearly by these simulations.

同时藉由此经验，模拟含炮口制退器之炮口流场，获得炮管内因弹体高速移动产生之先导震波现象、高温高压之发射药气体於炮口形成之喷流结构及制退器排气导孔对后方震波压力传导之效应等良好结果。

The scholar to study the ancient geomantic books is precursor from the know the magnetite, use it to guide to the compass come into being. We couldn't gainsay their contribution just because they blazon forth the geomantic theoretics.

从对磁石基本情况的认识到用来指向，从发明指南针到发现磁偏角，堪舆学者都是里面的先驱者，尽管他们所宣扬的风水理论中确实存在着许多封建迷信的东西。

A large cell of the bone marrow that is a precursor of the mature ''.

髓细胞骨髓的一种大型细胞，是血液成熟的有''。

A large cell of the bone marrow that is a precursor of the mature granulocyte of the blood.

髓细胞骨髓的一种大型细胞，是血液成熟的有粒细胞的前身

The bore-hole water temperature observation is a main earthquake precursor observation method of geothermal observation network .

井孔水温观测是地热观测网中主要的地震前兆观测方法。

The desulfurization over different metal boride s and the choices of suitable nickel salt precursor and amount of reducing reagent were conducted.

研究了噻吩类型硫在金属硼化物上的原位还原深度脱硫。

Nanosized titania particles consisting of anatase, rutile and brookite phases were synthesized under solvothermal conditions with different alcohols as solvents, hexamethylene tetramine as precipitant as well as precursor of titanium trichloride.

采用不同的醇溶剂，以六亚甲基四胺为沉淀剂，以TiCl3为前驱体，通过溶剂热的方法控制合成出纳米级的锐钛矿型、金红石型和板钛矿型的二氧化钛。

I wonder if this thing buzzing around is a precursor to that.

我怀疑现在身旁嗡嗡叫的这只就是它的前兆。

Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.

多数白云石显然是原来方解石交代的结果，但肯定不是全部。

This was a necessary precursor to the development of calculus and a precise quantitative science of physics .

这是一个必要的前体的发展，微积分和精确的定量科学的物理学。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。