Engine revolution should not exceed the maximum permissible.

发动机的转数不应超过所允许的最大值。

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Often, however, the rise of the valley or canyon may exceed the maximum permissible grade.

时常，然而，山谷或峡谷的上升可能超过最大可允许的等级。

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The requirements for the intended use include such considerations as range, resolution, maximum permissible errors, etc.

预期使用要求包括：量程、分辨率、最大允许误差等。

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Specifically, the 3C wants governments to set maximum permissible levels for a global temperature increase and define greenhouse gas reduction targets by 2030 and 2050.

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