directional duality principle meaning in English
定向的对偶性原理
Related Words
- duality of the innermost being
- directional cosine
- directional differentiation
- directional wattmeter
- directional drainage
- directional trim
- directional source
- directional bit
- directional stimuli
- directional gyrocompass
- directional drilling machine
- directional drilling package
- directional earth leakage relay
- directional earth-leakage relay