Notes to the water classic Yi Shui goes north by Yidu and forgets to return

Notes to the water classic Yi Shui goes north by Yidu and forgets to return

Yishui river flows through the north of Yidu and flows eastward into the river. There are Jingshui River and Weishui River, which are similar to each other. Some people explain it as Jingshui River and Weishui river. You may decide how to explain it. Others call it yushanbeixi river, Swimming fish are like flying in the air. There are many colorful stones in the shallow place. In winter and summer, the white clear waves splash. There are many lush trees and empty caves beside the water. Listening to these in the quiet night, there are often distant sounds. Many birds, flying birds, bleak songs echo each other, I don't feel tired, so I forget to go back

English translation
A term used in international trade contract: technical standards for manufacture and acceptance

Make and check and accept a technique standard.

English translation
A term used in international trade contract: technical standards for manufacture and acceptance

Manufacture and approval technical standard