采用了单相-三相构造法和瞬时无功理论的谐波检测方法来检测单相系统。
A new harmonic detection way based on the single-three phase method and instantaneous reactive power theory was adopted to detect single-phase power system.
古城奥陶系礁滩相岩性圈闭带和罗布泊奥陶系礁滩相构造—岩性复合圈闭带。
Gucheng Ordovician reef beach facies lithostratigraphic trap zone and Luobupo Ordovician reef beach facies structure-lithostratigraphic trap zone.
尽管在个头和外观上都与布氏菊头蝠十分相似，但是它们的鼻子构造不同，因而其回声定位频率截然不同。
Although very similar in size and general appearance to R. blasii, the horseshoe (nasal) structure differs and it calls at a completely different echolocation frequency.
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