a variety of 多種的; 各種各樣, 多種多樣; 各種各樣;不同種類; 各種各樣的..., 種種..; 各種各樣的,眾多的; 一種,種種; 種類繁多的; 種種,各種; 種種,多種多樣的; 種種,若干不同的
variety n. 1.變化,多樣化 (opp. monotony, uniformity)。 2.(各種東西的)雜湊。 3.異種;種類;項(xiàng)目;【生物學(xué)】品種;變種;【語言學(xué)】異體。 4.〔主英〕雜耍表演 (= variety show)。 an improved variety 育成[改良]品種。 every variety of form 各種形式。 for a variety of reasons 因種種理由。 for variety's sake 為了不單調(diào)起見。 full of variety富于變化的,豐富多彩的。 have a great variety to choose from 有很多種類可供選擇。 in a variety of ways 用種種方法。
Improved varieties of yellow ginger breeding technique 黃姜良種繁育技術(shù)
Scientific and technical innovation , cooperation and joint success the successful experiences of guoxin agricultural research association on realization of industrialization of improved variety of seeds 科技創(chuàng)新合作共贏國欣農(nóng)研會棉花良種產(chǎn)業(yè)化的成功實(shí)踐
The specific objective of the study is to analyse the adoption of improved varieties and the changes in characteristics of varieties across china 摘要分析了中國25個(gè)水稻主產(chǎn)省主要種植的水稻品種,探討中國水稻品種改良進(jìn)程和水稻品種性狀的變化,并采用水稻成本數(shù)據(jù)研究品種改良對水稻生產(chǎn)的貢獻(xiàn)。
As we all know , mankind ' s ability to create wealth had been promoted at the speed of geometric progression , due to the invention of steam engine and computer and the utilization of steels and improved varieties 我們知道,曾經(jīng)因?yàn)檎羝麢C(jī)、計(jì)算機(jī)等生產(chǎn)工具出現(xiàn),因?yàn)閷I(yè)鋼材、農(nóng)業(yè)良種等勞動對象的利用,人類社會生產(chǎn)財(cái)富的能力得到了幾何級數(shù)的提高。
The results obtained from maximum yield research ( myr ) experiments conducted at different state agricultural universities in india show that it is possible to harvest high yields of crops by adoption of improved varieties , high population stands and appropriate fertilizer levels 在印度不同邦立農(nóng)業(yè)大學(xué)進(jìn)行的最高產(chǎn)量研究結(jié)果表明,通過使用良種、高密度栽培及掌握合理的施肥水平獲得作物高產(chǎn)是可能的。
Rate of new lines provided to yield trials is 16 . 94 % for anther culture breeding , 1 . 49 times that of the conventional breeding ; and the rate of improved variety obtained from anther culture is 0 . 93 % , 3 . 32 times comparing with that from conventional breeding 經(jīng)花培入選的產(chǎn)量鑒定新品系的選擇效率為16 . 94 % ,是同期常規(guī)新品系選擇效率11 . 34 %的1 . 49倍;經(jīng)花培育成的審定品種的選擇效率為0 . 93 % ,是同期常規(guī)育成審定品種選擇效率0 . 28 %的3 . 32倍。
There are a number of possible explanations for this , but the most likely ones are removal of nutrients , improved varieties , improved farming techniques , including better moisture conservation , weed control , crop rotations and timely planting date ; and improved pest control practices 對此有一些可能的解釋,但較好的解釋是,因?yàn)轲B(yǎng)分被移走,使用了良種和先進(jìn)的農(nóng)作技術(shù),包括更有效的保水、除草、作物輪作和適時(shí)播種,此外還有良好的害蟲防治技術(shù)。
Extension of improved variety in tianjin has made a great progress since the start - up of the 9th " five seed project , but there are still many problems exist . including : 1 . disconnection among seed cultivation , seed reproduction and seed extension , short of sustainable scientific research of seed cultivation , lack of effective variety protection and competitive varieties 品種質(zhì)量是種業(yè)發(fā)展的關(guān)鍵環(huán)節(jié),本文針對天津市種業(yè)的現(xiàn)狀指出當(dāng)前存在的主要問題在于:一是育、繁、推脫節(jié),科研育種力量后勁不足,品種保護(hù)跟不上,沒有拳頭品種;二是良種推廣部門多是貿(mào)易公司形不成產(chǎn)業(yè);三是產(chǎn)后加工跟不上,阻礙了良種產(chǎn)業(yè)化的形成。