到目前，国内齿轮泵市场产能大致为450万件左右。

Up to now, the domestic market capacity gear pump roughly 450 million pieces.

youdao

现在为了简便，暂且认为轨道均大致为圆形，大致熟悉一下。

Let us just assume for simplicity now that the orbits are roughly circular just to get a little bit of feeling for it.

youdao

升力体模型对流换热系数测量不确定度大致为15%左右。

The uncertainty in measured convective heat-transfer coefficient on lifting body model was about 15%.

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I've been teaching this stuff for twenty years, and I tend to find two basic kinds of students who shop my classes for the New Testament Introduction course.

这门课我上了20年，发现所有参加新约导论的学生,大致可归为两类。

耶鲁公开课 - 新约课程节选