The research method of water injection matching technology is to determinate injection water source, pretreatment technology and matching measures of finefiltering etc.
Although this particular Symantec product doesn't offer web content filtering, it does provide certain fine-grained application and device controls.
尽管赛门铁克的这项产品并未提供网页内容过滤的功能，但它确实提供相当详细的程序和设备控管选项。
3
The units carry software that can fine-tune filtering in response to local changes in water temperature, salinity, pH and silt, and can be remotely controlled from a central operations center.