Optically analytical balance in laboratory is one of the most common instruments, and is an essential tool on measuring weight precisely and sensitively.

光学读数分析天平是实验室最常用的仪器之一，是进行精密、准确称量的不可缺少的工具。

youdao

Curiosity will use a drill and scoop, which are located at the end of its robotic arm, to gather soil and powdered samples of rock interiors, then sieve and parcel out these samples into the rover's analytical laboratory instruments.

ENGADGET: NASA's Curiosity rover receives long-distance OTA update, 'brain transplant' on Mars

In all, the plutonium-powered, six-wheeled Curiosity carries 10 scientific instruments, including an analytical laboratory, to process mineral and sediment samples.

WSJ: NASA's Curiosity Rover Lands on Mars