levelling 是什么意思

	n. 测平，校平；平整(土地)；水准测量。 a levelling instrument [mechanism] 水准仪。 a levelling machine (道路)整平机；【冶金】钢板矫平机。

Levelling (or leveling in American spelling) is a branch of surveying, the object of which is to

	1.	Interest rates are running at record levels . 利率达到创记录的水平。
	2.	Are you sure this deal is on the level ? 你确信这笔交易诚实无欺吗？
	3.	The lower level is subordinate to the higher level . 下级服从上级。
	4.	Marks at the lower end need to be leveled up . 低的一端分数需提高。
	5.	Prediction is required on two levels . 在两个勘探阶段上需要进行预测。
	6.	The instrument must be carefully leveled . 必须将仪器小心地调到水平。
	7.	The trough is the lowest level of the cycle . 谷底是整个周期的最低点。
	8.	This level is approached asymptotically . 这个水平是渐近地逼近的。
	9.	The water has been on the same level with the banks . 水已经平了河岸。
	10.	The budgerigars are about on her level . 那些小鹦鹉同她倒差不多。

levelling是什么意思