做工程设计时，必须对各项数据进行精确计算。

Zuò gōngchéng shèjì shí, bìxū duì gè xiàng shùjù jìnxíng jīngquè jìsuàn.

In engineering design, precise calculations must be made for various data.

这台仪器可以精确测量微小的物理量。

Zhè tái yíqì kěyǐ jīngquè cèliáng wéixiǎo de wùlǐ liàng.

This instrument can precisely measure small physical quantities.

在建筑领域，测量地理位置要做到十分精确。

Zài jiànzhù lǐngyù, cèliáng dìlǐ wèizhì yào zuò dào shífēn jīngquè.

In the field of construction, measuring geographical locations must be extremely accurate.