Variation of the screw Angle results in reduction of purchase of the locking interface, or cross-threading the head.
螺钉角度的变异会致使锁定界面的减少或跨螺纹的头。
2
Passively synchronized femtosecond and picosecond laser pulses are obtained by achieving cross mode-locking induced by cross-phase modulation in a dual-wavelength femtosecond ti: sapphire laser.