As you know, that command generates your model, migration, unit test, and even a default fixture.
正如您所知，该命令可生成模型、迁移、单元测试甚至一个默认的fixture。
You specify data in a fixture, and tell Rails to load the data when you run the unit tests.
在fixture中指定数据，并让Rails在运行单元测试时装载这些数据。
The goal for this chapter is just to introduce the concept of unit testing and give you an idea of what a test fixture looks like and how it is used.
本章的目的只是介绍单元测试概念并给出测试装置看上去像什么以及如何使用它的思想。
Electron beam welding machine consists of electron gun, high-voltage power, vacuum unit, vacuum welding chamber, electrical control system, fixture and working station running system and etc.
电子束焊机由电子枪、高压电源、真空机组、真空焊接室、电气控制系统、工装夹具与工作台行走系统等部分组成。
Periodic check the breaker, switchgear, operation unit, protection device, transformer, capacitor, UPS, lighting fixture working status;
定期检查各开关，操作机构，保护装置，变压器，电容器，UPS照明设施等设备的工作状况；
A combined hydraulic apparatus for bending pipes consists of more than 20 general components, such as hydraulic bending unit, rocker arm, cramp, position fixture, roller and pedestal, etc.
组合式液压弯管夹具由液压弯管器、摇臂、压紧器、定位器、滚轮和支座等二十多种通用部件组成。
A combined hydraulic apparatus for bending pipes consists of more than 20 general components, such as hydraulic bending unit, rocker arm, cramp, position fixture, roller and pedestal, etc.
组合式液压弯管夹具由液压弯管器、摇臂、压紧器、定位器、滚轮和支座等二十多种通用部件组成。
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