对车前草穗枯病症状进行了系统观察，并对其病原菌进行了鉴定。

The symptoms of plantain head blight were systematically observed, ant its pathogen was identified.

youdao

目的系统观察参芪糖肾安汤治疗早期糖尿病肾病的临床疗效和安全性。

Objective: To systematically observe the clinical efficacy and security of Shen Qi Tang Shen an decoction in the treatment of early diabetic nephropathy.

youdao

可观察性是指测试系统观察iut的输出、判断输入与输出对应关系的能力。

Observability is the capability of the test system to observe the output of the IUT and to determine which input triggers the particular output.

youdao

So, if you look at any engineering system, the performance of that engineering system is a function of its design and its construction.

如果你们观察过工程系统，工程系统的性能就是,它的设计和构造的功能。

麻省理工公开课 - 固态化学导论课程节选

And, if you look carefully, it tries to give the sense of a one electron system.

如果你仔细的观察的话，它试图给人一种单电子系统的感觉。

麻省理工公开课 - 固态化学导论课程节选

It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.

这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞

耶鲁公开课 - 生物医学工程探索课程节选