您要查找的是不是：
- Clone improved varieties 无性系良种
- The new improved varieties have virtually no green in the leaf colour at all. 这种新改进的变种几乎不会有绿色叶子。
- Development Outline on Propagation of Improved Varieties of Tectona grandis L. F. 珍贵树种柚木良种繁育发展概况。
- The second is too oversold improved varieties and industries, such as Aeolus shares. 二是过分超跌且行业好转的品种，如风神股份。
- Article 10 The Ministry of Agriculture establishes the national appraisal committee of aquatic protospecies and improved varieties to appraise new aquatic varieties. 第十条农业部设立全国水产原种和良种审定委员会，对水产新品种进行审定。
- As many as 52 varieties of litchi, with the exception of Zengcheng Gualv, such as a crystal ball Teyou varieties, improved varieties have Guiwei, Nuo Mici, Feizixiao, horns-and snow-with more than 10. 荔枝品种多达52个，除增城挂绿、水晶球等特优品种外，优良品种还有桂味、糯米糍、妃子笑、犀角子、雪怀子等10多个。
- Fresh leaves must be clonal improved and early-sprouting variety,Tea varietiy Fuding Dabai Cha and other 6 early or special early-sprouting varieties were suitable local ones. 名优茶的鲜叶原料必须选用发芽早的无性系良种。
- Examination and approval of improved varieties 良种审定
- how to produce improved varieties 如何产生良种
- Establishment of Cutting Orchard of Improved Variety for Coastal Protection Forest of Casuarina spp. 沿海防护林木麻黄优良品种采穗圃营建技术的研究。
- The improved variety produces more, so the farmer doesn't bother planting the older variety and it slowly disappears. 改良品种的产量更高,所以农民不愿种植以前的品种,这些品种慢慢地消失。
- propagation of improved varieties 良种繁育
- improved varieties of forest trees 林木良种
- As great differences in tolerance to low-P soils are found among the different species or among genotypes of the same specie, it is possible to genetically improve varieties for low-P adaptation. 作物对低磷土壤的耐性存在明显的基因型差异，因此可以通过改良品种使作物适应低磷土壤。
- With Portugal north the Douro area, the improved variety grape fine ferments becomes, has more than 200 years history, the wine taste is mellow, gentle graceful. 用葡萄牙北部杜罗区的，良种葡萄精酿而成，具有二百多年的历史，酒味香醇，柔和优雅。
- A botanist can differentiate varieties of plants. 植物学家能区分各种不同的植物。
- Wait for foster mother to give birth to the clone. 等待“养母”产下克隆幼仔。
- Will 2003 be the year of the first human clone? 人类第一个克隆人会在2003年诞生吗?
- Have standards of morality improved? 道德标准是否有所改进？
