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- They were engaged in the study of soil conservation. 他們在從事土壤保持的研究。
- One important form of soil conservation is the use of windbreaks. 土壤保護最重要的一種方式就是使用防風(fēng)林。
- One important fall form of soil conservation is the used of windbreaks. 一種保護土地很重要的方式是利用防護林。
- Problems of soil conservation and shoreland development are not likelyto quickly disappear. 土壤保持和濱海地開(kāi)發(fā)問(wèn)題也不可能很快消失。
- Problems of soil conservation and shoreland development are not likely to quickly disappear. 土壤保持和濱海地開(kāi)發(fā)問(wèn)題也不可能很快消失。
- act of soil and water conservation 水土保持工作條例
- Effect of soil conservation forest depends on land surface cover of dead leave and soil condition. 水土保持林的效益主要取決于林地枯落物和林地土壤狀況。
- Problems of soil conservation and shoreland development are not likelyto quickly disappear . 土壤保持和濱海地開(kāi)發(fā)問(wèn)題也不可能很快消失。
- This dreadful murder is surely the act of a madman. 這種令人驚駭的謀殺純粹是瘋子的行為。
- Ecosystem health is the aim of soil conservation and ecosystem rehabilitation on the Loess Plateau. 摘要生態(tài)經(jīng)濟系統健康是黃土高原水土保持與生態(tài)建設的目標。
- Don't complain of anybody. This is an act of God. 不要抱怨任何人，這是天意。
- Contour hedgerow was introduced to Zigui County as a means of soil conservation in the early 1990s. 摘要早在1990年代初，湖北省株歸縣政府和技術(shù)人員已著(zhù)手研究如何在坡耕地上使用等高植物籬以解決水土流失的問(wèn)題。
- He was caught in the very act of espionage. 他正在干間諜活動(dòng)時(shí)被抓住了。
- She worked over the first act of the play. 她重寫(xiě)了劇本的第一幕。
- You can get more information about windbreaks and other forms of soil conservation from the group Volunteers in Technical Assistance. 你可以從技術(shù)援助志愿者組織（vita）得到更多關(guān)于防護林和其他土壤保持方法的信息。
- The attack on the ship is viewed as an act of war. 攻擊了那條船已視作戰爭行為。
- Farmers use different kinds of soil conservation methods to protect their land from damage by farming and the forces of nature. 農民們使用不同的土壤保護方法保護他們的土地不受農作和自然力量的傷害.
- They are researched a little on part of soil conservation action, soil moisture, soil nutrient, and the underground portion of intercrop. 提出間套作在栽培措施方面應注意的關(guān)鍵問(wèn)題：合理安排間套作作物的播種期和移栽期；
- Helping the homeless is an act of mercy. 幫助無(wú)家可歸者是慈善行為。
- The act of scaling a fortified wall or rampart. 攀登，爬云梯攀登設防的高墻或城垣的行為
