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The internet itself is also tightly controlled .

中国的互联网也受到紧密控制。

These were not controlled conditions in the modern sense .

这些都不属于现代意义上的受控条件。

This observation needs to be verified with controlled research .

这个发现需要得到可控性研究的证明。

It means also open to the benefit of controlled immigration .

同时意味着对受到种种限制的移民的利益也要敞开大门。

Feeder mixing is controlled by an operator .

饲料混合是受专人控制的。