光学、声学 光学 visual line 视线 line of sight 视线†
line of sight 视线 sight 视线；观测，瞄准
line of sight; line of vision; visual line 视线
计算机应用 计算机辅助设计与图形学 释文 view ray 视线
- radioactivity activity
- radioactivity activity; disintegration rate
- radioactivity analysis for uranium content of uranium ore
- radioactivity calorimetric method
- radioactivity-contaminated atmosphere
- radioactivity-contaminated environment
- radioactivity-contaminated environment and remediation
- radioactivity-contaminated environment remediation
- radioactivity-contaminated environment treatment
- radioactivity-contaminated soil
- radioactivity detector
- radioactivity documentation instrument for core
- radioactivity leakage and underground water contamination
- radioactivity meter
- radioactivity metrology technology using of well-type ionization chamber
- radioactivity nuclide
- radioactivity standard solution
- radioactivity survey
- radioactivity survey instrument
- radioactivity survey metering device
- radioactivity survey tool
- radio advertising
- radio afterglow
- Radio afterglows of gamma-ray bursts
- radio amplitude navigation