改良品种 meaning in English
improved breed
improved variety
modified race
upgrade
Examples
- Many linux flavors cater to the embedded realtime market
许多linux改良品种迎合了嵌入式实时市场。 - The breeding of animals or growing of plants , especially to produce improved stock
养殖对动物的饲养或植物的种植，尤指为了产生改良品种 - Calculations are made as to the benefits that can be expected to accrue from an area of land once the conservation measures have been installed
然而，人们对土壤保持直接带来的产量增加以及其它农场经营的进步（例如使用改良品种和肥料）带来产量增加的程度的认识不足。 - The outcome indicates that improving the breed , prompting the rate of emergence , improving the quality , quality control through the innovation of organization and technique at the base of stabling livestock number will be the emphasis of the development of pork industry in our country
结果表明：在稳定存栏量的基础上通过组织创新和技术创新改良品种、提高出栏率、改善品质、控制质量将是我国猪肉产业发展的重点。 - Seventy - nine improved wheat cultivars ( lines ) including some related parents were corssed with rye to detect the difference of crossability among wheat genotypes and the developing tendency of crossability during the cultivar renewing period in shandong province , the results expressed that crossability of improved cultivars with rye were significantly lower than that of the check ( chinese spring ) , and there were 3 cultivars with a seedset of more than 50 % , 4 cultivars with the seed - set of 30 % - 50 % , 8 ones with that of 10 % - 30 % , 50 ones with the seed - set of less than 5 % , and the other 14 cultivars with the seed - set of 5 % - 10 % ; the mean crossability between wheat and rye decreased with the renewing of cultivars in shandong , and the number of cultivars with the seed - set of more than 50 % and 30 % - 50 % also decreased , but that with the seed - set of less than 5 % increased gradually during the renewing period ; pedigree analysis revealed that the crossable gene of the tested cultivars might come from 3 landraces ( youzimai , mazhamai and huixianhong ) , laizhou 953 , 8641012 , yannong 15 et al were improved wheat cultivars with both excellent agronomic traits and high crossability with rye
以79个改良小麦品种(系)与黑麦进行杂交，研究普通小麦品种与黑麦杂交亲和性的差异及其亲和性在品种更新、更换过程中的演变趋势，结果表明：供试改良小麦品种与黑麦的杂交亲和性显著低于对照中国春；结实率大于50 %的品种3个，占供试品种的3 . 8 % ，结实率介于30 % - 50 %之间的品种4个，占5 . 1 % ，结实率介于10 % - 30 %之间的品种8个( 10 . 1 % ) ，结实率小于5 %的品种50个，占63 . 3 % ，另外，结实率介于5 % - 10 %之间的品种14个，占17 . 7 % ;普通小麦与黑麦的杂交亲和性随着品种的更新、更换呈下降趋势，平均结实率大于50 % 、介于30 % - 50 %的品种数均呈下降趋势，而结实率5 %的品种数呈上升趋势；系谱分析表明，供试改良品种的亲和性大都来源自蚰子麦、蚂蚱麦、辉县红3个地方普通小麦品种；莱州953 、 8641012 、烟农15等是亲和性和综合性状都较好的改良小麦品种(系) 。