ground level 是什么意思

	the floor of a building that is at or nearest to the level of the ground around the building 同义词：ground floor, first floor,
	the height of the ground on which something stands; "the base of the tower was below grade" 同义词：grade,

	1.	The ground levels off beyond the woods . 过了树林，地面就平坦了。
	2.	" fog , mist " haze are all water vapor at ground level and above . “fog，mist，haze”均为地面及地面以上的水蒸气。
	3.	There is an argument to express them in ground level abundance of the respective elements . 有理由把它们用相应元素的地平丰度来表示。
	4.	The resulting content of so2 in the gas-air mixture at ground level is called the ambient concentration . 在到达地面时之烟气-空气混合物中的SO2最终含量，称为“落地浓度”。
	5.	The methods described in this chapter and utilized in the sample problem calculation can't be expected to yield perfect predictions of ground level pollutant concentrations . 用本章所介绍并用在实例计算中的方法，不能期待得到地面污染物浓度的精确预测值。
	6.	The ground level has stores and offices 不久她又反对一个在多伦多的公路计划。
	7.	Shop no . 15 , ground level , west rail mei foo station 西铁美孚站地下15号铺
	8.	Multi - storey and ground level , about 4 , 200 spaces 约4200个，分别设于地面及多层停车场
	9.	Ground level road modification works ; and 地面道路修建工程以及
	10.	In outside window - cleaning at more than 3 metres above ground level , 在室外离地三米以上清洁窗户，

ground level是什么意思