phaselet小矢量phasen.相位；方面；局面；阶段；时期vt.逐步执行phased project planning分阶段方案设计,分阶段工程设计,阶段项目设计phase separation theory分相理论phased array of dipoles同相偶极天线阵Phaseolus vulgaris bean菜豆Phase changing enthalpy相变热phase-conjugate laser相位共轭激光phase shift full bridge移相全桥phase propagation ratio相位传播比phase-shifting device移相器phase control converter相控整流