全国各地牧场对套种谷物的选择都不相同.Farmers'preferences for a companion cereal vary over the length and breadth of the country.由单一种植向间作套种的立体农业转移.By onefold cultivate the stereo agriculture move to intercropping interplanting.果园内实施多熟...
The arteries are diseased and a transplant is the only hope...动脉已经发生病变，移植是唯一的希望。Even grafting new blood vessels in place of the diseased coronary arteries has been tried.甚至移植新血管代替不健康的冠状动脉的方法都已经试过.Objective To explore the...
Manned submersibles, like spaceships, must maintain living conditions in an unnatural environment.载人的潜水器与宇宙飞船一样, 必须在非自然的环境下保持生存条件.You have to zap the invading spaceships to get points.(玩电动玩具等)你必须干掉入侵的太空船才能得分.Spaceships m...