Studying the variety of tunneling current and designing a suited preamplifier system for the tunneling current.

Preamplifier and filter were used for cancellation of respiratory ECG, body interference.

利用前置放大器和滤波器有效滤除掉呼吸,心电, 人体等干扰.

Preamplifier. Benefits to fall back also quite large.

对背摔的好处也蛮大.

It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.

比较器是前置放大器与动态锁存器组成的开关电容电路.

It'still is offered dog the options such as generator and preamplifier.

它还供给跟踪发生器和前置放大器等选件.

When you prearrange your funeral, you can pick your own flowers and music.

如果预先准备自己的葬礼，就能选择自己喜欢的鲜花和音乐。

Then, payment and delivery , which are carried out by prearranged methods, follow.

再依事先约定的方式付款及取货.

One of the cars pealed off and headed back to town as prearranged.

根据事先的安排,一辆汽车离开车队,掉头回城.

Your beloved pets will be cremated individually in prearranged time and date.

当客户定了火化日期及时间后,我们会安排宠物独立火化.

At a prearranged signal, everyone stood up.

一见到事先约定的信号,大家都站了起来。

Then , payment and deliVery abundance , which are not carried out by prearranged methods, follow.

中标者会以电子邮件得到通知, 再依事先约定的办法付款、取货.

For each tap size there atapping provided with a prearranged torque andtapping any kind of material.

对于每个不同规格的丝锥都相应的有一个快换的夹头,且夹头会根据不同的工件提前调整好扭矩.

A periodical talk is usually prearranged and requires some preparations.

交谈的时间和内容,一般为事先约好,并有初步准备.

Working to a prearranged plan, he rang the First Secretary and requested an appointment with the Ambassador.

按照预先安排的计划，他打电话给一等秘书，请求约见大使。

According to the prearrangement, male guests in the wedding banquet will be entertained by the bridegroom.

根据之前的安排, 婚宴上的男宾皆由男主人招待.

Rapakivi is a special rock in Precambrian.

环斑花岗岩是发育于前寒武纪的一种特殊岩石.

Precambrian time accounts for as much as eighty-five percent of all geological time.

前寒武纪占据了整个地质年代的百分之85.

The oldest rocks in the concession area belong to the Guyana and are of Precambrian age.

最古老的岩石层在圭亚那雨林,它们的年龄可以追述到前寒武纪.

They are controlled by shear fracture belt of epimetamorphic rock series of Precambrian Period.

主要赋存于前寒武纪浅变质岩系中,受剪切断裂带控制.

Precambrian time for as much as eighty-five percent of all geological time.

从前寒 武 世纪以来地球地面大部分被冰川所覆盖的任何地质年代.

Objective To research precancerous lesion diagnosis and early prevention and treatment of the cervix carcinoma.

目的探讨子宫颈癌的早期癌前病变,诊断要点及早期防治.