英语词汇“observational research”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	observational research
释义	observational research 观察研究
随便看	coaxial feeder coaxial field coaxial film bolometer coaxial filter coaxial fitting coaxial fixed attenuator coaxial fixed direction coupler coaxial fixed direction-coupler coaxial flashlamp coaxial flexible cable coaxial flexiible cable coaxial flow reactor coaxial gear coaxial heli copter coaxial helicopter coaxial horn coaxial horn antenna coaxial hybrid coaxial hypothallus coaxial injector coaxial inner conductor coaxial input coaxial isolator coaxiality coaxial jack 有葡萄美酒，芙蓉宝剑，都未称，平生志。有蓬之心也。有蔽则暗，无蔽则明。耳之蔽声，目之蔽色，蔽口鼻以气味，蔽四肢以安佚。一掬之力，不胜群蔽，则其去禽兽不远矣。知其蔽而去之，人欲日消，天理日明。有蠹之木，堪荷栋乎？有衅之舟，堪济远乎？利欲蠹之，荣名衅之，盖人之堪任道者鲜矣。有血有肉，感人至深有血有肉，栩栩如生有衣没帽，不成一套有被的不会睡，会睡的没有被有觉德行，四国顺之有言不信 61216 61217 61218 61219 61220 61221 61222 61223 61224 61225