为确定恰当的普查方法,人们建议踏勘性普查.Orientation survey to establish the most suitable search techniques are recommended.空中测取水面热图是踏勘性研究的一种快速方法.Thermal mapping of the water surface from the air is a fast method for reconnaissance studies...
Normally, the transportation system in Paris carries 950,000 passengers a day.正常情况下，巴黎的交通系统每天运送95万乘客。The Guardian's front page carries a photograph of the two foreign ministers.《卫报》的头版刊登了两国外交部长的一张合影。A thin cable car...
The catalyst intragranular state for methanation system , which is a parallel reaction of equilibrium - restrained, was studied.以甲烷化体系为例, 研究了受平衡约束的平行反应的催化剂粒内状态.Presents the water washing of methanation catalyst used in a...