查询词典 PCB

In this paper, the recycling process and reutilization of waste PCB have been studied.

论文围绕废弃印刷线路板的资源化回收过程展开研究。

Research on the reutilization and safe disposal of waste PCB has a great practical significance for its potential high value and environmental pollution.

废弃印刷线路板中金属的高回收价值与有毒有害物质的潜在危害性使得对其进行资源化回收和安全处置具有十分重要的意义。

7 Get Gerber file, bare board, PCBA sample and unit sample if they are necessary

取得PCB电子文件，空线路板，样品线路板和样品整机如果必需的话。

The first part of this paper is an introduction to the basic principles and functions about the Scaler chip. The following part describes the design of structures for this Scaler chip.

本文首先介绍定标器的功能和工作原理，然后给出定标器芯片的结构设计，最后对定标器芯片的前端逻辑验证过程加以说明，包括提出验证方案、设计测试PCB以及根据验证结果的反馈调整设计。

Yancheng company serves a wide range of customers including PCB producer, photoelectronics product company, membrane switch producer, scutcheon board and electronics plastic factory etc.

主要面对的行业有：光电器材、印制电路板、薄膜开关、标牌、面板、仪表、塑胶电子等。

According to the problems discussed above, a new means was presented to design Rogowski coils based on Printed Circuit Board. Two new Rogowski coil structures based on PCB were designed. The two Rogowski coils are easy to be manufactured without handwork and can be applied in mass production. The mutual inductance and self-inductance were deduced.

针对上述存在的问题，提出了采用印制电路板技术制作空芯线圈的新方法，设计了两种基于印制电路板的新结构，这两种线圈制作简单，不需手工绕制，易于批量生产，并推导了其自感系数和互感系数的表达式。

With the development of electrical design,higher signal frequency,smaller PCB board and bigger routing density,the signal integrity becomes more and more important.

摘 要：当今飞速发展的电子设计领域，信号频率的不断提高，印制电路板变小，布线密度加大都使得信号完整性问题越来越成为一个值得关注的问题。

As is known, AMD made a single-valued selection in favorofproductsclass high-end by the association of two single chips on one PCB.

正如人们所知， AMD公司作出了单值选择有利于产品的一流高档由该协会的两个单晶片上的一个印刷电路板。

These stubs are common on all PCBs, but at lower speeds their effects are negligible.

这些尾端在所有的 PCB 中都普遍存在的，但是在低速时它们的影响可以忽略。

Sunstone allows designers to specify and order PCBs online and often can deliver products in two days.

Sunstone允许设计人员在线指定和订购PCB产品，通常在两天内送到。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。