完全控制的三效催化剂。

Fully controlled three-way catalyst.

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这条新法案于周四生效，三天的等待期也于午夜划上句号。

The new law went into effect Thursday and a three-day waiting period expired at midnight.

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这次研究选择了三个效标，运用了两种相关分析方法。

Three criteria are selected for this study and two correlation analysis methods are applied.

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这次研究选择了三个效标，运用了两种相关分析方法。

Three criteria are selected for this study and two correlation analysis methods are applied.

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