常用

Two detectives took the parcel off the plane and carried it to the Customs House.

且同时掌握了常用的词汇和句型。

Commonly used sow law and cuttage law.

繁殖常用播种法和扦插法。

Commonly used cuttage, engraft and layering are progenitive, also can sow.

繁殖 常用扦插。嫁接和压条繁殖，也可播种。

Commonly used sow to breed with cuttage.

繁殖 常用播种和扦插繁殖。

Universal cutterhead is often used in machining expecially in machining chamfer where vaarious working positions of main axis suitable for different needs of machining various details can be obtained by rotating horizontal and oblique axes of universal cutterhead .

万能铣床在机械加工的过程中经常用到，特别在加工斜面的时候，可以通过万能铣头的水平轴和斜轴的旋转来获得各种不同的主轴工作位置，以适应加工中各种零件的不同要求。

It is also commonly used in those with established CV disease.

它也常用于确证为心脏病患者的治疗中。

This program is developed by CVI used to simulate a standard interface of spectrum analyzer ,presented with popular keys and functions.

详细说明：这是一个用CVI编写的模拟标准频谱仪界面，包含了前面板和各种常用的输入按键。

Based on electroplating theory, several common complex agents and additives are screened and analyzed, and the method for converting cyanide zinc plating process to cyanide-free zinc plating process is discussed. The throwing power, covering power and corrosion resistance have been tested for verifying the conversion effects.

本研究以电镀理论为依据，对现有几种常用配位剂和添加剂进行筛选和分析，探讨将氰化物镀锌工艺向无氰化转化的方法。

A study by USSR researchers in the 1980s suggested melamine cyanurate (a salt formed between melamine and cyanuric acid, commonly used as a fire retardant[16]) could be more toxic than either melamine or cyanuric acid alone.

前苏联研究者进行的一项研究暗示，三聚氰胺的三聚氰酸盐(三聚氰胺和三聚氰酸——即氰尿酸——形成的盐，常用于阻燃)的毒性比三聚氰胺或者三聚氰酸都要高。

The Nterminal cyclization of peptides, as one of a variety of modification introduced in sample preparation, has been preliminarily studied in this work.

目前，肽段鉴定时常用的添加残基修饰有甲硫氨酸的氧化和半胱氨酸的氨乙酰化，而对其它修饰研究很少。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。