Kings and princes played at war the way Englishmen play at hunting.过去的国王和王子们在战争中游欢正象英国人在打猎中寻欢作乐一般.Whenever the Italian city - states were at war with each other, Hawkwood used to hire his soldiers to princes who were wil...
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....
The synthesis of chitinase by Bacillus thuringiensis HD 224 strain using eight different carbohydrate resources was studied.考察八种碳源对苏云金杆菌HD224菌产几丁质酶的影响....
She is fascinated by algebra while he considers it meaningless nonsense.她对代数非常着迷，而他却认为代数毫无意义。His classmates were labouring with elementary algebra.他的同学们正在绞尽脑汁地演算初等代数题.The central notion in commutative algebra is that of ...