有必要用一个备用部件来替换它。
同样不需要为多个系统储备许多备用部件，只需为一个单一平台留有备件即可。
Also, rather than needing to stock replacement parts for multiple systems, only spares for a single platform are required.
克隆人类胚胎提供备用部件和组织，在大多数专家看来是走向21世纪医学的关键一步。
The cloning of human embryos to provide spare parts and tissues is seen by most experts as a vital step forward in 21st century medicine.
运用泛函分析的方法 ，通过分析系统主算子的谱特征 ，给出一类具有备用部件的可修人机系统解的渐近稳定性证明 。
By using functional method, the asymptotic stabitity of a solution of a repairable standby human-machine system is proved, by studing spectral properties of the operator corresponding to this system.
在此次STS - 133任务中，“发现号”携带了补给、备用部件以及国际空间站的最后一个舱室-永久性多功能存储单元舱。
For the STS-133 mission, Discovery carried supplies, spare parts, and the Permanent Multipurpose Module, a storage unit that's the final piece of the International Space Station.
那个卷轴配有一套所有运行部件的备用件。
The reel comes complete with a set of spares for all the working parts.
2005年，杜克大学工程系研究生同时也是一位极具热情的吉他手，莱尔斯，用胶合板、两个螺旋、一个滑板轴承和一些备用吉他部件制作了他的第一个调音器。
In 2005, Lyles, a Duke University engineering graduate and an avid guitarist, built his first tuner out of plywood, two screws, a skateboard bearing and some spare guitar parts.
该公司还将提供辅助支持设备、备用零部件和维修以及后勤支持。
The company also will supply ancillary and support equipment, spare and repair parts, and logistics support.
A：每个零部件都要有备用件吗？
3月16日，丰田宣布重新开工生产备用零部件。
On March 16th Toyota announced that it was restarting the production of spare parts.
备用发电机的这些部件不值得修理。我建议，你最好换掉它们。
These parts of the stand-by generator are not worth repairing. I suggest you'd better replace them.
这些可能包括物流链，也就是同产品以及零部件的回收相关的链，当然还有备用零件链。
These may include the reverse logistics chain, that is, the chain associated with returns of products or components, as well as the spare-parts chain.
该系统采用了“绿冲突”和备用方案的容错控制方式。即使主控部件出现故障，信号机仍可以按备选方案工作。
Green signal conflict control and reserve plan control, are adopted in the system so that the signal control machine can still run normally even if the main controller fails to work.
所有串行连接口和通讯设备应提供双线，当发生单一部件或连接故障时可直接转换至备用设备。
All serial links and communications equipment, shall be provided on a dual redundant basis, such that failure of a single component or link will effect a seamless transfer to standby equipment.
承包人应进行检验，并稽查建设工厂所需的一切设备，机械和材料，其中包括各种备用零部件。
The Contractor shall perform the inspection and examination of all equipment, machining and materials including spare parts required for the construction of the plant.
一种利用可拆卸模块化部件组将备用或替换流体发送到失灵的部件周围的系统和方法。
A system and method to allow backup or alternate fluid flow routes around malfunctioning components using removable, modular component sets.
每个零部件都要有备用件吗？
备用发电机的这些部件不值得修理。
These parts of the stand-by generator are not worth repairing.
高频感应部件。非电气特性和测量方法。第1部分：电子和电信设备用固定的表面安装感应器。
High frequency inductive components - Non electrical characteristics and measuring methods - Part 1: fixed, surface mounted inductors for use in electronic and telecommunication equipment.
杂物堆放柜是井队分类堆放相对较小的钻机部件的地方，从钻头到转换短节，到提升短节到备用方钻杆等。
The junk basket is used by the rig crew to store an assortment of relatively small parts of the drilling rig, ranging from drill bits to crossover subs to lifting subs to spare kellys.
研究人为故障下两部件备用可修复系统的模型。
In this paper, the model of the standby maintenance system which is with two units under human failures is studied.
研究人为故障下两部件备用可修复系统的模型。
In this paper, the model of the standby maintenance system which is with two units under human failures is studied.
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