The project quality management comes from the last half of 20 century, it is the cross field of project management and quality management.
项目质量管理起源于20世纪后半期,是项目管理与质量管理的交叉学科。
Many are self-steering, use GPS to cross a field, and can even "talk" to their implements—a plough or sprayer, for example.
很多都是自动驾驶的,使用 GPS 穿越田地,甚至可以和他们的工具“交谈”——比如,与犁或喷雾器。
The flag of st David is a gold cross on a black background, although earlier variations exist.These include a black cross on a gold field and engrailed edges on the cross.
虽然早期曾变为金色背景下的黑色十字以及十字的边缘变化为锯齿状,但圣大卫之旗如今基本保持于黑色背景下的金色十字。
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