The leaves are important sites for plants to carry out photosynthetic, transpiration and respiration, and they are also the main organs for making nutrients. The size of leaf area, leaf structure and function are important indicators of plant growth and nutritional status. In the…

The typhoon has a great impact on the safe driving of the expressway, and it is necessary to master certain driving knowledge. To this end, the patrol patrol advises the officers and passengers traveling in the typhoon weather as follows:

1, before …

Samsung is about to release the smart watch Galaxy Gear on September 4th. On the eve of the conference, Venture Beat, the US technology blogger, has taken the lead in exposing the photos of the Galaxy Gear prototyp…

The ignition switch on the sprinkler has “LOCK”, “ACC”, “ON” and “START” four switch positions and the “PUSH” message.

"LOCK" is the direction lock. To open the l…