核密度经验公式
nuclear density empirical formula of nucleus
检测经验判断
detecting empirical method
抗剪强度经验估算
Empirical estimation of shear strength
天文经度测量
Astronomical longitude survey
动性驱力程度测验
degree of dynamic drive test
过失行为预测测验
test for prediction of delinquency
即时记忆广度测验
immediate memoryspan test
教育态度测验工具
educational attitudes instrument