The players at the back aren't keeping time.

后面的演奏者没有跟上拍子。

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After detailed analysis of Q3, the conclusion is clear that the long keeping time after wet process is disadvantageous to improve image sticking. It has directed significance to real manufacture.

进一步细化Q3 后得出水清洗制程后不宜停留的结论，对实际生产具有指导性的作用。

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This paper describes the effects of various barks, reinforcing resins, keeping-time after lay-up and pressure on the bonding strength of plywood made from Masson pine bark adhesive.

本文探讨了用马尾松树皮胶压制室外型胶合板时，不同部位的树皮、不同增强剂、增强剂用量、单板涂胶后的陈放时间、热压压力等因素对胶合强度的影响。

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So it's very important to be keeping in mind that any time you see a double bond, you have a pi bond there, so you're not going to see any rotation around the bond axis.

所以你们要记住,任何时候你们看到一个双键，这里面有π键，你们不会看到关于键轴的任何转动。

麻省理工公开课 - 化学原理课程节选

Isn't it difficult being a mother and a professor at the same time and keeping a balance between the two?

同时做母亲和教授是不是很困难呢？两者之间取得平衡不容易吧？

教授的梦想 - SpeakingMax英语口语达人

It's actually better to spend a certain amount of time just keeping your body in good condition

其实花一定时间保持身体的良好状态更好，

健康生活 - SpeakingMax英语口语达人

They sang as they dug, their tuneless songs keeping time to the beat of a cooking pot drum.

BBC: The end of a wandering way of life?

David Berger and Holly Maxson are the husband-and-wife filmmakers behind Keeping Time: The Life, Music and Photographs of Milt Hinton.

NPR: 'Playing the Changes' Chronicles Jazz Great Hinton

Among June's supposed jobs was keeping time sheets for her department's staff.

FORBES: Magazine Article