marine service instruments

• 船用仪器

marine service instruments的用法和样例：

例句

1. The physician uses instruments to test the patient's reflexes and sensations.
   医师用仪器检查病人的神经反射和感觉。
2. Hubble watched the night sky with instruments at the university's Yerkes Observatory.
   哈勃在大学的耶基斯天文台用仪器观察夜空。