文章中量和单位的表述,请按照《中华人民共和国国家标准(GB3100~3102-93)量和单位》书写,如mol·L-1(物质的量浓度),m(米),g(克),mg(毫克),L(升),d(天),h(小时),min(分钟),s(秒)。统计学符号用斜体表示,如样本数(n),概率(P),标准差(s),t检验,F检验,卡方χ2检验,相关系数(r)。对于非法定计量单位,采用在其后加括号注明其与法定计量单位之间的换算系数,如血压单位mm Hg需用括号注 Article volume and units of the article, in accordance with the “People’s Republic of China National Standard (GB3100 ~ 3102-93) volume and unit” written, such as mol·L-1 (mass concentration), m ), mg (milligrams), L (liter), d (day), h (hour), min (minute), s (seconds). Statistical symbols in italics, such as the number of samples (n), probability (p), standard deviation (s), t test, F test, chi square test, correlation coefficient (r). For non-statutory units of measurement, followed by brackets indicate the legal unit of measurement between the conversion factor, such as blood pressure unit mm Hg need to use parentheses Note