查询词典 angular derivative

Lock washers with angular upturn tab in line to the lug：角形单耳止动垫圈

角形垂直单耳止动垫圈 Lock washers with angular upturn tab... | 角形单耳止动垫圈 Lock washers with angular upturn tab in line to the lug | 角形垂直外舌止动垫圈 Lock washers with angular upturn tab perpe...

angular unconformity：斜交不整合

angular measurement 角度观测 | angular unconformity 斜交不整合 | angular variation 角变化

angular tacheometry：角视距法

"角度测量","angular surveying" | "角视距法","angular tacheometry" | "角变化","angular variation"

angular fine gravels：角砾

angular distortion 局部倾斜 | angular fine gravels 角砾 | angular gravels 碎石

angular leaf spot of cotton：棉角斑病

angular leaf spot ==> 叶角斑病,角斑病 | angular leaf spot of cotton ==> 棉角斑病 | angular leaf spot of cucumber ==> 黄瓜角斑病

angular error of closure：角度闭合差

"角度误差","angular error" | "角度闭合差","angular error of closure" | "角超","angular excess"

derivative absorption spectrum：导数吸收光谱

depth sounding,测深 | derivative absorption spectrum,导数吸收光谱 | derivative action;D-action,微分作用;D-作用

degenerate critical point：退化临界点

2nd derivative test 二阶导数测试 | degenerate critical point 退化临界点 | second derivative test 二阶导数测试

Second derivative：二阶导数

建立了快速测量茶多酚中总儿茶素含量的近红外光谱定标模型.将48份茶多酚样品组成定标样品集,在1000-2500nm(4000-10000cm^-1)的近红外漫反射光谱为定标波长范围内,光谱经一阶导数(First derivative)、二阶导数(Second derivative)、标准归一化(Standard normal variate,

Second derivative：阶导数

通过对样本原始光谱进行附加散射校正(MSC)、变量标准化(SNV)、一阶导数(First derivative)和二阶导数(Second derivative)处理,以定标集决定系数(R2)和标准差(RMSEC)、交互验证决定系数(1-VR)和交互验证标准差(RMSECV)作为衡量定标模型质量优劣的指标[7,

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛