There have been 73 missions, manned and unmanned, to the Moon, and understanding its chemical composition, particularly finding water, has always been a priority.
迄今为止，围绕月球，共开展了73项科学探测任务，载人或者无人，以了解月球的化学成分，尤其是发现水，更是重点关注的项目。
The project succeeded in screening 346 sites with potential chemical contamination risks and identifying 58 priority pollution sources for follow-up mitigation actions.
通过对346个具有潜在化学污染风险的点进行筛查，这一全球环境基金项目识别出58个重点污染源作为采取后续措施的重点。
Chemical preservatives give priority in food industry presently, it may cause hidden trouble.
现在使用的防腐剂仍以化学防腐剂为主，存在食品安全隐患。
In the chemical experiment, the operation and the instillment reagent order's priority, has the very important function to experiment's success.
在化学实验中，操作和滴加试剂顺序的先后，对实验的成功有着至关重要的作用。
Ct Series ATS ADDCOPPER deposition speed, the strongest combination of product, just flexible substrates recommend priority application of chemical copper plating solution.
ATSADDCOPPERCT系列中沉积速度快，结合力最强的产品，刚挠性基板应用中优先推荐的化学镀铜溶液。
Air pollution will be our first priority due to the huge health impacts that it causes, as well as its close links with other risks, such as climate change and chemical contamination.
空气污染会成为我们的第一要务，因其与气候变化和化学污染等其他风险紧紧相连，带来了严重健康影响。
Give priority to develop natural gas chemical industrial base in northeast Sichuan.
重点建设川东北天然气化工基地。
Yangjian Intensive Industrial Park will give priority to the development of hi-tech industries such as electronic information, new materials, chemical fibers. knitwear and machinery building. etc.
羊尖工业集中区优先发展和鼓励电子信息，新材料，化纤，针纺织，机械制造等高新技术产业。
Judging whether the changing process of a certain state is spontaneous is the priority and difficulty of physical and chemical teaching.
判断某个状态变化过程是否自发，是物理化学课教学的重点和难点。
Since phenol chemical compound is permanent organic pollutant, phenol-containing wastewater treating has the high priority in water pollution control in our country.
酚类化合物属于持久性有机污染物，含酚废水在我国水污染控制中被列为需要重点解决的有害废水之一。
Since phenol chemical compound is permanent organic pollutant, phenol-containing wastewater treating has the high priority in water pollution control in our country.
酚类化合物属于持久性有机污染物，含酚废水在我国水污染控制中被列为需要重点解决的有害废水之一。
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