無保護播種 的英文怎麼說
中文拼音 [wúbǎohùbōzhǒng]
無保護播種
英文
pure sowing- 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
- 保 : Ⅰ動詞1 （保衛; 保護） defend; protect 2 （保持） keep; preserve; maintain in good condition 3 （...
- 護 : 動詞1. （保護; 保衛） protect; guard; shield 2. （袒護;包庇） be partial to; shield from censure
- 播 : 播名詞（姓氏） a surname
- 種 : 種名詞（姓氏） a surname
- 播種 : （作物栽培措施之一） sowing; seeding播種季節 seedtime; season of sowing; 播種量 seeding rate; 播...
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The continual circulation of avian influenza in birds and the close proximity of birds to human beings increase the chance of an unprotected individual being exposed to an infectious and potentially deadly agent. when people are concurrently infected with human and avian influenza virus strains, they may serve as the mixing vessel for the emergence of a novel subtype of virus having sufficient human influenza genes to facilitate transmission from person to person
禽流感在鳥類中持續散播，加上鳥類與人類的活動范圍接近，令人類在無保護的情形下接觸可致命傳染媒介的機會大增若病者同時受人類流感病毒及禽流感病毒感染，就有可能成為病毒的混合爐，並由此產生具有足夠人類流感基因易於在人與人之間傳播的新品種病毒。The test results in the no - tillage fields with corn rootstalks shown that the sample machine has a good ability to cut and dig corn rootstalks only in the seed beds so that the new no tillage planter can create a good condition of seed bed and have lower power consume. 2 system experiment is conducted to investigate the mechanical properties of rootstalks and soil rootstalk composite. the experiment results include : ? he maximum cutting force decreased exponentially with increasing cutting speed and the moisture contents of rootstalks
通過對新型免耕播種機的田間生產試驗，證明了切挖處理播種帶玉米根茬原理可行，所開發的機具結構新穎，具有創新性；該機不但能創造無根茬的良好種床條件，有利於種子生長發芽，而且不需大量粉碎根茬，因而擾土量少、整機消耗動力小、破茬入土能力強，有利於充分發揮保護性耕作的優勢。
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