1.
Study on the radon hazard and radon preventing measures in underground building
地下建筑中氡的危害及防氡措施研究
2.
Harm of Radon and Radon Progeny,the Preventative Measures and Countermeasures
氡及氡子体的危害与防治措施、对策
3.
A Study of Radon Level and Its Health Effects to People in Underground Buildings in China;
中国地下工程氡污染及其健康危害评价
4.
The Research of the Radon Measurement and the Instrument of Calibration Technology;
氡气测量和测氡仪器的标定技术研究
5.
incalculable harm
不可估量的损害／危害
6.
the radon level in the basement was impermissibly high.
地下室的氡含量超标。
7.
The radon exhalation rate is used as the basic factor of radon geological potential.
氡析出率是反映氡地质潜势的最好参数。
8.
Indoor Radon Concentrations and Radon Exhalation Rates of Building Materials in Shanghai
上海市室内氡浓度水平与建材氡析出率的研究
9.
Exposure or vulnerability to harm or risk.
危险受危害或危险的影响的，或易受伤害或危险的
10.
free from danger or injury.
没有危险的，未受伤害的。
11.
f-eating insect
遭受食叶性昆虫的危害
12.
Harm Reduction approach
减低毒品危害的做法
13.
eliminating ill weeds
消灭危害性大的杂草
14.
the state of being free from danger or injury.
没有危险或伤害的状态。
15.
the juggernaut of bureaucracy
官僚作风的严重危害.
16.
The Causes, Harms and Countermeasures of Teacher′s Mental Crisis;
试述教师心理危机的成因、危害与对策
17.
Risk Factors and Harm of Prognosis in Children with Intractable Epilepsy
难治性癫预后的危险因素及危害性
18.
THE QUARANTION PEST-SOLENOPSIS INVICTA BUREN
检疫性害虫—红火蚁的分布危害与检疫