With the circuit schematic design and the high-speed PCB design, completes stackup design and high-speed signal line design.
通过电路原理图设计和高速PCB 设计,完成了堆叠设计和高速信号线设计。
Dredging will continue over the next few years, after which the river should be PCB-free.
疏浚将在接下来数年中持续,直至这条河中没有PC B物质。
A PCB is an internal structure that holds the control information for a connection.
PCB是为连接保存控制信息的一种内部结构。
It can also destroy PCB-based waste oils.
这种方法还可以消灭含有pcb的废油。
Gioia says that one likely source of the pollution is the dumping of old electrical waste such as capacitors and other PCB-containing products.
骄雅说,还有一种可能的污染源是废旧电容器和其他含氯联苯的产品。
The precise sources of the PCB plume should be pinned down and used to complete the pollutant inventories of African countries, she says.
她说,这些氯联苯的污染源必须被清除掉,以完善非洲国家污染物清单。
The PCB design has been prepared with the free PCB program.
PCB设计是通过自由软件PCB完成的。
BeagleBoard is supported by a large community and its design documents, including architecture drawings of the printed circuit board (PCB) for use in manufacturing, are freely available for download.
BeagleBoard受一个规模很大的社区支持,而它的设计文档,包括生产用的印刷电路板(PCB)的架构草图,均可免费下载得到。
The omega-3 fats in fatty fish like salmon can help reduce the risk of sudden-death heart attacks. And wild-caught salmon has less PCB contaminants than farmed salmon.
含有脂肪的三文鱼可以防止心脏病的突发,而且野生三文鱼比起人工饲养的三文鱼来说受到更少的污染。
In 2007, aboard the German research vessel Polarstern, Gioia again observed the PCB plume some 400 kilometers off the West African coast.
2007年,在德国的一艘叫Polarstern的勘测船上,骄雅在离非洲西海岸400公里的地方再一次测查到了氯联苯烟雾。
It still, however, seems to work as a transcription factor. The result is fish that are more or less immune to PCB poisoning.ny.
这仍然跟转录因子的作用有关,结果表明,是这些鱼或多或少具备了PC B免疫力。
If you like to make your own PCB, try the one above.
如果你想使你自己的电路板,上面的一个尝试。
After performing the shorts and opens test the in-circuit tester tests each component on a PCB assembly one at a time.
短路、开路测试完成以后,在线测试仪需要在同一时间对印刷电路板上的每一个器件进行测试。
It protects PCB from power surges from external power supply.
它从电源保护电路板由外部电源浪涌。
But most attention should be put on the PCB design, elements position and line connection, which can suppress the source of the common mode disturbance.
但最根本的应该是在印刷电路板设计、元器件布置和连接线的安排上下功夫,抑制共模骚扰源的产生。
Plaster the electron strain gauge on PCB stress boundary to measure the strain cost with both strain electrical logging technology and theory.
在印刷电路板受力边界粘贴电子应变片以应变电测技术和原理测定各测点的应变值。
The second technique involved using braided solder wick and a soldering iron with a blade tip to remove residual solder from the PCB pad.
第二个技术工艺涉及到使用网状焊料芯吸法及有刀片尖的焊接烙铁来除去PC B焊盘上的残余焊料。
Most of this equipment was installed well before the PCB ban.
这台设备的安装之前,大部分是在PCB禁令。
A poor PCB design is one where components are connected randomly to ground points.
一个比较差的PC B设计就是器件随便地连接到接地点。
Numerous mechanical rooms and electrical vaults on campus house transformers and other PCB-containing equipment such as capacitors and switches.
许多机械室和校园内部变压器等含有多氯联苯的电容器和开关等电气设备的金库。
The hardware design includes the schematics, PCB layout design and hardware debugging.
硬件设计包括原理图、PCB版图设计和硬件安装调试。
This will lead to further reduction of cost and space on the PCB of the pressure-sensing module.
这将导致进一步降低成本和空间上的压力传感模块电路板。
PCB concentrations must be determined in all oil-filled electrical equipment designated for disposal.
多氯联苯的浓度必须根据所有充油电气设备指定处置。
Nixie light on the PCB can display timekeeping time during operation and parameter value set during setting parameter.
线路板上的数码管能显示运行时的计时时间和参数设定时的参数值。
It is always a challenge to testing high density PCB for researchers in the high automatic manufacture field.
在高度自动化的生产现场如何检测高密度pcb一直是研究人员的难题。
Looking ahead, we will provide PCB manufacturers to provide better products and more professional services.
放眼未来,我们将为PC B厂家提供更优质的产品和更专业的服务。
Objective To observe PCB affect the ability of learning and memory in rats.
目的研究多氯联苯对大鼠学习记忆能力的影响。
There are two TVS diodes on this PCB for 5v and 12v protection.
有两台电视在这个电路板二极管为5V和12v的保护。
There are two TVS diodes on this PCB for 5v and 12v protection.
有两台电视在这个电路板二极管为5V和12v的保护。
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