by standard

基本解释

In the synchronous case, the communication between the Event Emitter and the Event Service is done by standard EJB mechanisms.
在同步发送情况下，事件发送者和事件服务之间的通信由标准的 EJB 机制完成。
They feed on caterpillars and moths, and the bats themselves are so muted that they can’t be picked up by standard bat detectors, so they are hard to find.
它们以毛毛虫和飞蛾为食，但是它们自己却十分安静，一般标准的蝙蝠探测器无法察觉它们，因此它们很难被发现。
Both the normal rodents and those with Alzheimer's were exposed to the electromagnetic field generated by standard mobiles use for two one-hour periods each day for seven to nine months.
研究人员在七至九个月时间里，每天两次，每次一小时，让这些正常的和患老年痴呆症的啮齿动物接触由标准手机产生的电磁场。

By standard measures, the world has certainly been going through some tough times.
And then I could also do a Gaussian one here, with the mean of and the standard deviation of volatility divided by 2.
然后我在这里再写一个高斯分布的函数，它的浮动值的平均值和,标准偏差值都除了2。
麻省理工公开课 - 计算机科学及编程导论课程节选
Nature supplies the standards, the materials, the models, for all the later arts, the city being by nature, man by nature, nature provides the standard.
自然提供了标准，物质，模型，为后来产生的艺术，为城市，为人类的存在，是自然提供了一切标准。
耶鲁公开课 - 政治哲学导论课程节选

Fortunately, the life of the researcher is made easy by standard statistical software packages.
FORBES: Publication Bias (or, Why You Can't Trust Any of the Research You Read)