单级的

It is suitable for pumping liquid (temperature under 80℃)containing fiber or suspended solid grains such as in city and factory to decontaminate sewage and dejecta .

PW型是卧式单级单吸悬臂式离心污水泵；适于抽送80℃以下带纤维或其它悬浮物的液体，供城市工矿企业排除污水粪便之用。

The ADC is pipelined, including a single-input/difference-output sample/hold circuit and nine stage subcircuits. The preceding eight stages are 1.5bits/stage, and the last stage consists of two comparators. Every input sample is converted into 18 bits binary signals, and these binary signals are converted into 10 bits binary signals through digital correction circuit.

模数转换电路采用流水线式的结构，包括具有单端输入/差动输出功能的采样保持电路和九级的子电路，前八级子电路使用1.5位/级的结构，最后一级使用两个比较器实现，每个输入值被转换为18位的二进制代码，通过数字纠正技术最终实现10位的输出，按照前端电路的应用要求，这个模数转换器实现1.33MHz的采样速率。

2SKW is also used as vacuum pump; it is especially applicable to the high vacuum condition and high discharge pressure vacuum compression condition, which can not be completed by common single-stage pump, thereby, the serviceable range of SKW single-stage pump is widened.

2SKW也可用作真空泵，特别适合于单级无法比拟的高真空工况和出口压力要求较高的真空压缩工况，从而拓宽了SKW单级泵的使用范围。

A single-stage and high power pulse tube cooler working between 20~40 K has been designed and constructed in order to precool the second stage of a 4 K separate two-stage pulse tube cooler.

为了满足液氦温区分离型二级脉管制冷机第二级预冷的需要，设计制作了1台20～40K温区单级大功率脉管制冷机。

The effects of single aging,duplex aging and conditions between the first and second step agings on the microstructures and properties of the extruded plate of 7050 aluminium alloy were investigated,by means of TEM,tensile and conductivity tests.

采用力学性能和电导率测试及透射电镜组织观察的方法，研究了7050合金挤压带板的单级时效、双级时效及两级时效之间处理条件对合金组织和性能的影响。

The single stage compared to double one can reduce the quality of the transaxle a lot.

单级主减速器代替双级主减速器可大大减小驱动桥的质量。

Like the single-stage regulator, outlet pressure from the first stage of the two-stageregulator rises as cylinder pressure decreases.

同单级减压阀一样，两级减压阀的第一级的出口压力随钢瓶压力的降低而升高。

Like the single-stage regulator , outlet pressure from the first stage of the two-stage regulator rises as cylinder pressure decreases.

同单级调整器一样，两级调整器的第一级的出口压力随钢瓶压力的降低而升高。

Multiple class partial flow pump:(1)The head coefficient value should be low in the single class partial flow pump.(2)The total area of larynx wicket gate should be 200% the single classs larynx area.

2对于多级部分流泵：(1)部分流多级泵扬程系数的取值应比单级部分流泵的取值偏低一些；(2)部分流多级泵导叶总的喉部面积应是单级部分流泵喉部面积的两倍。

Main products: X, B two major series of horizontal, vertical single-level, two-stage, three planet-cycloid reducer, of Circular Cylinder Worm Gear Reducer, cylindrical gear reducer, a screw lift, Construction machinery and all kinds of metal casting products ....

公司主要产品： X、B二大系列卧式，立式的单级、双级、三级行星摆线针轮减速机，圆弧齿圆柱蜗轮蜗杆减速器，圆柱齿轮减速机，丝杆升降机、建筑机械及各种金属铸造产品。。。。

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。