by means of 托福

The pilot homed in by means of radar, despite the poor visibility.

尽管能见度极差, 飞机由雷达导航返航了。

The stone was lifted by means of a rope and pulley.

这块大石是用绳子和滑轮给吊起来的。

The microphotograph of willemite in crystalline glaze was observed by means of SEM.

硅锌矿在釉熔体中有球粒状长习性。

Insects propagate themselves by means of eggs.

昆虫以产卵繁殖后代。

Philosophy is a battle against the bewitchment of our intelligence by means of language.

哲学是我们借助于语言对我们智力巫术的一。

Removal of excess heat is accomplished by means of a radiator.

通过散热器完成多余热量的排出。

Dark adaptation in two healthy male subjects was studied by means of a Nagel's adaptometer.

摘要试验时施用平流电，故可使那盖氏暗适应计之光度稳定不变。

The unit is used to realize the airflow conveying of granulated resin by means of the technology of low vacuum,It can be used with a hopper dryer to automatize dry material-supplying.

本机采用低真空原理实现塑料树脂粒子的气流输送，可与料式干燥机配套，实现干燥供料自动化。

Objective To research the clinical effects of point injection therapy and kinesiotherapy on knee osteoarthritis(KOA) by means of contrast study,so as to seek a new effective therapy for KOA.

目的对膝骨关节炎(KOA)的治疗国内尚无可有效的方法,本研究拟通过病例对照研究观察穴位注射与运动疗法治疗膝骨关节炎的临床疗效,探索一种确切的有效方法。

Rubber sheeting covered the commander's cupola, the mantlet and the hull machine-gun, but this could be blown away from inside the vehicle by means of an electrical detonator.

橡胶护板覆盖着指挥塔，观察孔及车身机枪孔，但这种设备容易被吹离车内。

This paper deals with the causes and localization of tridymite stone by means of petro-graphic analysis of bricks laid at different site of furnace while cold repair .

对冷修熔窑各部位砖材进行岩相分析,产实际情况,判断鳞石英的产原因及产部位。

Making of cinematographic, television and video works means the fixation for the first time of a work on some materials by means of cinematographic production or analogous process.

（七）摄制电影、电视、录像作品，指以拍摄电影或者类似的方式首次将作品固定在一定的载体上。

Abstract： Using lead benzoxy as curing agent,cured epoxy resin was analyzed by means of IR spectrum and DSC curves.Lead benzoxy was considered to be catalytic curing agent.

摘 要： 采用苯甲酸铅做固化剂，通过对环氧树脂固化物的红外光谱及DSC曲线分析，认为苯甲酸铅是一种催化型固化剂。

P-Brom-ethylphene was prepared by brom-phene by means of Friedel-Crafts and Huang Ming-long reactions. The synthesis can be industrialized because of good quality, high yield and low cost.

对溴乙苯是以溴苯为原料,经付克乙酰化,黄鸣龙还原等反应成,其质量和收率较高,成本较低,具有工业化意义。

It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics.

运用化学热力学基础理论和方法研究了硫化铋在无氧化性强酸和可溶性碱金属卤化物溶液中的溶解性。

The pulse pump is a new-type pump, in which the fluid successively flows out in one direction by means of the pulse effect in the uniflow pipe.

泵中流态单一,能量转换效率高,单级扬程范围较广。泵出流连续、流量较大而无气蚀危险。

Research on the failure reasons of the cooling tube were carried out by means of macroexamination, thickness measurement, X ray diffraction, optical microscopy and chemical analysis.

采用宏、微观分析、化学成分分析等手段,对冷却水管的腐蚀穿孔进行了失效分析。

By means of ballistic pulsimeter operation of recent years, the relative wealth of experimence is accumulated. The better effect in bearing failure detection is obtained simultaneously.

经多年对冲击脉冲计的使用，积累了较丰富的经验，同时在轴承的故障诊断中取得了较好的效果。

Using lead benzoxy as curing agent,cured epoxy resin was analyzed by means of IR spectrum and DSC curves.Lead benzoxy was considered to be catalytic curing agent.

采用苯甲酸铅做固化剂，通过对环氧树脂固化物的红外光谱及DSC曲线分析，认为苯甲酸铅是一种催化型固化剂。

According to the nature of two-dimensional biharmonic equations,this paper obtains a polynomial solution of the biharmonic equation for stress function by means of the MATHEMATICA software.

根据二维双调和方程的特点并借助于MATHEMATICA软件,得到了应力函数双调和方程的多项式解答。