其中一个是,捕取二氧化碳并将其储藏到海床。
大约一半的习题有答案,取二或三位有效数字。
Answers are provided to about half the problems, and are rounded off to two or three significant figures.
采用“三取二”原则、空气取样、系统自检等措施提高了系统可靠性。
In order to improve the system reliability, some measures such as "two out of three" principle, air sampling and self-verification were adopted.
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