From the methanol - sewage sludge - enrichment culture one methanosarcina, two vibrios and one bacteroid have been isolated.经对该富集培养物的分离培养,已分离出4株厌氧细菌,其中一株为甲烷八叠球菌, 两株为弧菌,一株为杆菌....
由此你可以算出银河系的总质量。From this you can calculate the total mass in the Galaxy.银河系由1,000亿颗恒星组成。The Galaxy consists of 100 billion stars.地球是银河系中的星球之一.The earth is one of the planets in the Galaxy....
Their ultimate aim was a market economy for Hungary.他们最终的目标是为匈牙利建立起市场经济体制。International investors have become jittery about the country's economy.国际投资者已对该国的经济状况感到紧张不安。Investment could dry up and that could cause the...