Finally, on the basis of investigation, the prevention and control of pollution for the secondary area of water source were studied and discussed.

最后，在调研基础上对二级保护区的污染防治工程规划工作进行研究和探讨。

youdao

"This secondary area is used daily as an office and entertainment area, but can easily be closed off from the main space and used by visiting friends or family," the firm said.

“第二个区域平常用作办公和娱乐区，这个区域也可以很容易地与主要空间分隔开来，用于朋友访问或家庭聚会，”事务所说。

youdao

Once a checkpoint is transferred to the RSS node, it will start staging the log records coming from the primary in a log staging area at RS secondary server.

一旦将检查点传输给rss节点，它会开始将来自主要服务器的日志记录暂存到RS次要服务器上的日志暂存区域中。

youdao

The couple was sent to a secondary screening area and was found to be carrying two laptops and three digital cameras.

FORBES: Welcome to the U.S., We'll Take Your Laptop Now

Already at various border crossing points, customs authorities are having people who appear sick taken to a secondary inspection area for further evaluation.

CNN: Commentary: Flu shouldn't close Mexico border

Concerns were raised by head teachers at two large secondary schools in the area due to the number of ambulances driving past on blue lights.

BBC: New Shrewsbury ambulance post planned after near-miss