查询词典 high-grade

The invention relates to an amplifier circuit containing a high-frequency transistor (1) and having a circuit (2) for adjusting the operating point, which provides a base current for the high-frequency transistor (1) according to the voltage released at a resistor (3) which is connected in the collector ring of the high-frequency transistor (1). The circuit (2) has a differentiating unit (20), fed by the supply voltage, which compares the voltage released at the resistor (3) with a reference voltage.

带有高频晶体管(1)的放大器电路具有一个用于工作点调整的电路(2)，其依赖于在连接在高频晶体管(1)的集电极电路中的电阻(3)上下降的电压为高频晶体管(1)提供基极电流，电路(2)具有一个由供电电压馈电的差分节(20)，其把在电阻(3)上下降的电压与基准电压比较。

Capital invested in high-risk or relatively high-risk securities and enterprises, in expectation of commensurately high returns.

投资于高风险或相对高风险的证券和企业，以期得到相应的高收益。

"Communization of high school" and "Specialization of comprehensive high school" are the main goals of improving the problems in comprehensive high schools.

七、高中职社区化与综合高中特色化是改善综合高中问题的两大目标。

In order to drive a high impedance load such as HPM sources, it is necessary to commutate FCG's long pulse width, high-current and low voltage pulse to a short pulse with high voltage.

为用FCG驱动象HPM源这样较高阻抗的负载，必须使用脉冲功率调制电路把FCG产生的低电压、大电流、上升时间长的电压脉冲转化为高电压、上升时间短的脉冲。

The character s of high-precision, high-speed, high-reliability and compacted structure is a perfect combination of motion and control.

产品的高精度、高速度、高可靠性及结构紧凑等特征，是我们在运动与控制方面研究成果的结晶。

The comparison shows the advantages of series resonant HAPF operating in high-voltage system is low cost and high effective. This method can help to design the other kind of filtering system for High capacity applications.

其中的一些设计思路和工程经验还可推广到其它大型滤波和无功补偿装置的设计和应用中，为推进大功率的HAPF的实用化进程提供有益的参考和借鉴。

Products with high efficiency, high reliability and complete automatic protection function of circuit and electromagnetic interference, electromagnetic radiation of small, to provide users with high-quality power supply.

产品以高效率、高可靠性和完备的电路自动保护功能和电磁干扰、电磁辐射小，为用户提供高品质电源。

His hope does contest of high school unripe composition face Jiangsu the province is all high school student, comprehensive examine the agonistic activity of a of student study ability and integrated quality high standards, make the composition contest brand that gives Jiangsu.

他希望把高中生作文大赛办成面向江苏省全体高中学生、全面检验学生学习能力和综合素质的一项高规格的竞赛活动，打造出江苏的作文竞赛品牌。

Hollow sucker rod is a kind of special product designed for production of high pour point, high condensation, high paraffin crude oil. Its connector and coupling is welded with sucker rod body in friction welding. We can get the function from the hole of hollow sucker rod. The properties of hollow sucker

空心抽油杆是用于开采"高凝、高粘、高含蜡"原油的专用产品，它是将空心杆头、接箍通过摩擦焊，焊接到无缝钢管两端形成的抽油杆，其管柱内部形成一条通道，利用这一孔道实现空心抽油杆的各种功能。

The jet-grouting is one kind uses the high-pressured water or the high-pressured size forms the high speed spraying striation. Impact, cutting, stave stratum soil body. Among and by the cement matrix size backfill, mixes mixes. Forms the pile or the wooden fence shape congealment body. With enhances the ground to guard against infiltrates or the bearing capacity construction technology.

高压喷射灌浆是一种采用高压水或高压浆液形成高速喷射流束，冲击、切割、破碎地层土体，并以水泥基质浆液充填、掺混其中，形成桩柱或板墙状的凝结体，用以提高地基防渗或承载能力的施工技术。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。