Fishskin disease Sturgeons and gars are ganoid. 鲟鱼和长嘴鱼都是硬鳞鱼。
Gars are confined chiefly to fresh water, though some species enter brackish or salt water. 主要栖于淡水,但有的种可降入半咸水甚至咸水。
Ferocious fishes of warm regions resembling but unrelated to the freshwater gars. 温带地区的凶猛鱼类,与淡水雀鳝相似,但没有关系。
Both properties and existing problems of the conventional fracturing fluids were described in this paper, and a new water-in-oil emulsion fracturing fluid was developed according to the properties of strong water sensitive and low pressured reservoirs of Gars oil field, Qinghai Province. 本文介绍了常规压裂液的特点和存在的问题,针对青海尕斯油田中浅层油藏强水敏、低压的特征,研制出了一种新型的油包水乳化压裂液体系。
Moreover, the list of permitted legitimate objectives in Article XIV of GATS is considerably shorter than that in Article XX of GATT. 而且,GArS第14条所列举的合法政策目标较GATT第20条明显偏少。
The central committee of CPC maintained its control over GARs through government channels and non government channels. 而当时的中央则主要通过国家权力和非国家权力渠道对其进行联系和控制。