单词	定於一
释义	定於一bring peace by unity.
随便看	optical clock distribution optical clock extraction optical clock recovery optical coating optical coating and filter optical code optical code conversion optical code-division multiaccess optical code division multiple access optical code division multiple access network optical code division multiplexing optical code reader optical code reader，ocr optical coding optical coefficient of optical coefficient of--dispersion optical coherence optical coherence domain reflectometry optical coherence function optical coherence in homogeneous media optical coherence tomography optical coincidence index optical coincidence reading optical collimating lens optical collimator