I'm reliable ah 后面的ah是什么意思

1. Omron's EDAC connectors, also known as 3M EDAC and Adam Tech, are designed for reliable electrical connections.2. The company also offers Rj45 connectors, BNC connectors, and Raychem products, which are distributed by赫联贸易 and associated with the agricultural sector in南京赫联实...

该不是SCI，在web of science 官网查不到该期刊。属于正版免费的普通英文期刊 Journal of Pollution Effects & Control deals with the introduction of contaminants into the natural environment that causes adverse changes in the form of toxicity of environment, damage to ecosystem and aesthetics ...

1832, Babbage and Joseph Clement made a computing device. It’s Size nearly as big a house. January 1943: In the United States, An advanced computer was developed which weighs 5 tons, 75 million parts. These computers are mainly used in the war began.1987: A supercomputer relea...