公制前缀；度量字首

metric grains───米制格令

symmetric matrixes───对称矩阵

barometric pressures───[气象]气压

metric grain───米制格令

metric mile───公制英里

metric spaces───[数]度量空间

metricises───米

They commonly use the metric prefixes of Table 1-1 to express large or small quantities of space or time.───他们通常使用表1 - 1中所列的词头去表示空间或时间量的大或小。

Extended features include a list of 23 fundamental constants, illustration of the activity series of metals, metric system prefixes and a historical summary of superconducting materials.───扩展功能包括了23基本常数，对金属系列活动，公制前缀和超导材料的历史概况说明清单。