measurementsn.尺寸名词measurement的复数形式.measurementn.测量，测量法；尺寸，尺码；大小；衡量；<口>三围measurement standard测量标准measurement flatness测量平坦度measurement of angle角度测量measurement of cargo[经] 货物载重的测定measurement validity测试方法measurement variance测量方差measurement accuracy测量精度measurement criteria衡量标准measurement engineer计量工程师measurement of tumor肿瘤测量

1. Make sure that the sign's the right wayup.
   一定要把符号的上下弄对。
2. One of the easiest nonparametric tests to use is the sign test.
   最简单的非参数检验是符号检验。