| 光 |
guāng jiǎn cè qì | optical detector |
| 光 |
guāng | light; ray (CL:道) / bright; shiny / only; merely / used up; finished / to leave (a part of the body) uncovered |
| 检 |
jiǎn | to check / to examine / to inspect / to exercise restraint |
| 检 |
jiǎn cè | to test; to detect |
| 检 |
jiǎn cè qì | detector |
| 测 |
cè | to survey / to measure / to conjecture |
| 器 |
qì | device / tool / utensil / CL:台 |