by means of 托福

Insects propagate themselves by means of eggs.

昆虫以产卵繁殖后代。

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。

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

硅锌矿在釉熔体中有球粒状生长习性。

A piston links to a drive shaft by means of a connecting rod.

活塞通过连杆与驱动轴相连。

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的一场战斗。

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。

Placing by means of rodding.

标准/规范英文名： Concretes.

Abstract： Technique of mutation breeding in gladiola was studied by means of electron beam.

摘 要： 用电子束辐射唐蒲种球，研究唐蒲的诱变育种。

The spinar is a gigantic machine converting gravitational binding energy into electromagnetic radiation by means of rotation.

旋转体是一架通过自转把引束缚能转换为电磁辐射的巨大机器。

The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.

运用聚合物的溶和化学反应动学，研究了硝酸酯基聚醚聚氨酯的老化降解过程。

The performance of fluorescent-labeled copolymers contained pyrenyl has been studied by means of fluorescent spectrum and static evaluation test.

通过荧光光谱法和静态阻垢法研究了含芘基团的荧光标记聚合物的性能,并进行了评价。

Aluminium electrlysis by means of low molecular ratio electrolyte is an important mark for centre-worked prebake cell at present.

摘要采用低分子比电解质进行铝电解生产是现代中间下料预焙槽的重要标志。

By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.

通过氰乙基化反应,使木粉转化成为热塑性材料,再与短切剑麻纤维混合,热压制得植物纤维增强塑化植物纤维基复合材料。

The cloudy cavitating around a hydronautics foil has been experimentally studied by means of high-speed fluid visualization and DPIV.

采用高速全流场显示技和DPIV对空化水翼近壁处的空化云流动形态和运动机进行了讨。

Furthermore, sugarcane ratoon stunning disease pathogen can be rapidly detected by means of television phase contrast microscope and PCR.

利用电视相差显微镜和PCR技结合能快速诊断甘蔗宿根矮化病。

The crystallization porperty of polycaprolactam(PA6)-polyethylene glycol(PEG)block copolymer wasinvestigated by means of electron microscope,x-ray diffraction,DSC and hot stage polarized microscope.

应用DSC、热台、扫描电镜以及偏光显微镜等研究了PA6-PEG嵌段共聚物的结晶性能。

The free energy functional for the time dependent Ginzburg-Landau equation were got by means of the Flory-Huggins free energy.

首先我们从Flory-Huggins自由能出发，提出了适合于时间依赖的Ginzburg-Landau方程（TDGL）的自由能泛函。

The peaks of localized energy states were separated from the detrapping current curves by means of poling temperature scanning method.

通过热释电极化温度扫描法分离出对解俘获电流峰贡献的各局域能级峰。