目的确定家蝇幼虫匀浆液的抗病毒作用.Objective To define the antiviral activity of Musca domestica larva homogenate.方法: 采用点滴法测定家蝇对杀虫剂的半数致死量.Methods: We measure the LD of flies on insecticides standard drop way.目的确定家蝇幼虫血淋巴的抗病毒作用.To define t...
由原颗粒组成的团聚体要能保持充分的水分和养分.The aggregates, composed of the primary particles, retain sufficient water and nutrients.团聚体的形式是土壤肥沃的首要条件.The formation of aggregates is of prime importance to fertility.包括土壤的含水量 、 容重 、 土壤孔隙度 、 土壤水...
The proprietor is trying to improve the land.该业主正试图提高这块地的价值。The proprietor was an old acquaintance of his...业主是他的一位旧相识。" What a fish it was, " the proprietor said.“ 多大的鱼呀, " 饭店老板说." Well, you can suit yourself, Mr. Wheel...
The choppy waves made handling the boats a tricky operation that day.那天在滔滔的波浪里驾驶小舟着实费了一番手脚.A gale was blowing and the sea was choppy.狂风大作，海面上波浪起伏。The sea began getting choppy.大海开始变得波涛起伏....chill winds, rain and choppy se...
As little as 50mg of caffeine can produce pharmacological effects.仅仅50毫克的咖啡因就能产生药理效果。The caffeine in coffee can jangle the nerves.咖啡中的咖啡因会使神经紧张。Caffeine can cause palpitations and headaches.咖啡因会引起心悸和头痛。...