基本解释：半值层
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The test research of high-energy X-ray HVL for SRM. Propellant;发动机推进剂高能射线半值层试验研究
Determination of half value layer for the X-ray diagnostic quality of RQR标准X射线辐射场RQR半值层的测定
Numerical Simulation of Ground Disturbance of Extra-Shallow-Underground-Pipe Jacking with Short-Radius Curve超浅层小半径曲线顶管地面扰动数值模拟分析
Precision of spatial interpolation for forest duff layer depth based on secondary variable基于辅助变量的森林半腐层厚度空间插值精度
Study of Numerical Simulation of Semi-rigid Basal Asphalt Pavement Surface Temperature Field and Temperature Stress;基于半刚性基层沥青路面温度场和温度应力数值模拟的研究
A Class of Semilinear Boundary Value Problems with Nonmonotone Interior Layer Behavior一类具有非单调内层性态的半线性边值问题(英文)
The clinical value and comparison of conventional radiography and MDCT reconstruction in atlantoaxial subluxation in children儿童寰枢关节半脱位X线及多层螺旋CT诊断价值及对比分析
Effect of nitrogen on vertical distribution of canopy nitrogen and chlorophyll relative value (SPAD value) of summer maize in sub-humid areas施氮对半湿润农田夏玉米冠层氮素及叶绿素相对值(SPAD值)垂直分布的影响
This membrane is semi-permeable.这层膜是半渗透性的。
and just as it's midnight,等到正值半夜时分，
I go on duty in half an hour.半小时以后我要去值班。
virtual time to half-value假设到半值时间 -冲击波
Numerical Simulation Research of Construction of the Semi-filled and Semi-excavated Embankment;半填半挖路堤施工过程数值模拟研究
One half of its values will be found below and one half above the median.一半数值低于中位数，一半数值高于中位数。
The Rational Position and Thickness of Semi-rigid Base in Asphalt Pavement半刚性基层合理层位与合理厚度研究
The king's cheese goes half(away) in parings.国王的财富一半是被下层层层克扣掉的。
The Study on the Mechanical Properties of Interface between Semi-rigid Base and Asphalt Pavement;半刚性基层与沥青面层层间界面力学特性研究
On stressed contrast analysis of semi-rigid and semi-flexible base asphalt pavement半刚性和半柔性基层沥青路面的受力对比分析
A British coin worth one half of a new penny.半便士一种英国硬币，币值是新版便士的一半
