standard use标准用法standardn.标准；规格；水准；军旗adj.标准的；普通的；规范的；权威的standard volumetric solution标准滴定溶液standard units of mean error均值误差的标准单位standard contract provisions标准合同规定standard for collecting fees取费标准standard ambient temperature标准环境温度standard value of production额定成本standard reference frequency标准参考频率standard for pile foundation桩基技术规范standard instruction memonic标准指令助记符standard level of metabolism代谢率