连续不断的监督的主要危险是行政机关将掌握大多或太少的“杠杆力量”以强迫受管理者遵守其政策。

The principal risk of continuing supervision is that the agency will have too much or too little "leverage" to enforce compliance with its policies.

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不等臂天平的出现，其前提条件是制造者对杠杆原理的掌握。

The essential prerequisite for using lever scale is that its maker knew the principle well.

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