It is simply related the variety degeneration, the low yield, the contradiction between the production, the biological diversification protection in tropical rain forest, and so on.
根据西双版纳阳春砂仁生产中品种退化、低产和与热带雨林生物多样化保护的矛盾等问题,提出了在最适宜区种植砂仁,进行规范化种植、集约化管理,统一加工、打造品牌,提高单产、减少种植面积的对策。
Studies on the Clonal Population Degradation and Restoration Mechanism of Qiongzhuea Tumidinoda;
筇竹无性系种群退化及恢复机制的研究
Genetic depression is a common phenomenon and natural rule of varieties depression.
种性退化是生物界存在的普遍现象,是导致种性向低劣方向演化的自然规律。
Degeneration of Species and Life Consciousness of Mo Yan’s Early Novels;
“种的退化”与莫言早期小说的生命意识
a degenerate life form.
一种退化了的生命形式
Cataplasia:Degenerative reversion of cells or tissue to a less differentiated form.
退化:细胞或组织向一种细微变异形式的退化。
Degenerative reversion of cells or tissue to a less differentiated form.
退化细胞或组织向一种细微变异形式的退化
Studies on Embryological Mechanism of Seed Degeneration and Genetic Diversity of Seedlings from Middle-Degenerated Seeds in Loquat (Eriobotrya Japonica Lindl.)
枇杷种子退化的胚胎学机制及中度退化种子株系遗传多样性研究
Some breeds of dog have only rudimentary tails.
有些品种的狗尾巴只有退化的部分.
The state of being degenerate.
退化堕落或退化的状态
Optimization of Annealing Temperature of SRAP-PCR in 5 Temperate Fruits
5种温带果树SRAP-PCR退火温度的优化
Occurring or persisting as a rudimentary or degenerate structure.
退化的，发育不全的作为一种退化的结构出现或持续存在的
Carbon sequestration effect following retirement of degraded croplands into alfalfa forage land in the middle of Hexi Corridor region,northwest China
河西走廊中段绿洲退化土地退耕种植苜蓿的固碳效应
Nothing is fixed and permanently stable. There must be movement forward, which is progress of a sort, or movement backwards, which is decay and deterioration.
任何事情都不是永恒的、一成不变的，必然会有前进，即某种进步； 也会有倒退，即衰退及退化。
The evolutionary decline or loss of a function, characteristic, or structure in an organism or a species.
退化（作用）一个生物体或物种的某种功能、特征或结构由于进化作用造成的衰退或丧失
any of several chiefly tropical constrictors with vestigial hind limbs.
后肢退化的几种主要是产于热带的蟒蛇。
Relating to or causing the deterioration of hereditary qualities in offspring.
劣生的有关或引起后代种族质量退化的
Studies on the Clonal Population Degradation and Restoration Mechanism of Qiongzhuea Tumidinoda;
筇竹无性系种群退化及恢复机制的研究
The Effect of Several Fertilization Practices on Restoration of the Degraded Gleyed Paddy Soils;
几种施肥措施对退化潜育性稻田的修复效应
A Study on the Characteristics of Degraded Communities under Different Disturbances in Tiantong, Zhejiang Province, China;
浙江天童几种干扰下退化群落的特征研究
Population Degeneracy Phenomena Analysis and Suppressing Methods on Genentic Algorithm;
遗传算法的种群退化分析及其抑制技术