In 1984-1985, the root activities with leaf-age-progress was investigated in different rice varieties cultivated in nutrient solution and in field.
1985年，研究了群体水培和大田栽培条件下水稻不同类型品种根系活力的叶龄进程。
By using pot tests, the effect of low-P stress on dark sun-cured tobacco endogenous hormone and root activities were studied during different growth stage.
通过盆栽试验和室内分析，研究低磷胁迫对晒红烟内源激素和根系活力的影响。
The results indicated that root-divided alternative irrigation could increase root activities, photosynthesis rate and water use efficiency of tobacco leaf, but decrease transpiration rate;
结果表明，分根交替灌溉可增强烟株的根系活力，保持较高的光合速率，降低蒸腾速率，提高叶片瞬时水分利用效率；
There are numerous checklists and templates that support various activities CLASP defines, and those checklists extensively leverage the root-cause database.
还有大量的检查单和支持不同的CLASP定义的活动，并且这些检查单会广泛地影响到root-cause数据库。
The rapid growth of its population, industry and commerce remain at the root of pollution by human activities.
人口激增，工商业蓬勃发展，这些人类活动正是污染的根源。
The root cause of the destruction of ecological environment by commercial activities is the lack of self-discipline of the dealers and the innate market defects.
商业活动破坏生态环境的根本原因是交易双方的主观不自律和市场机制固有的弊端。
This paper is to explore the root of English idioms and the role of ethnic culture in idioms by looking into various sports activities in English countries.
本文从英语国家人们喜闻乐见的体育活动中分析英语习语的形成，探讨民族文化对英语习语的影响。
Although man's economic activities have their source root in his self-interest motivation, they do share with man's moral activities some basic features.
同样，人的经济行为虽然根源于人的利己动机，但它与人的道德行为一样，也具有可交换的社会化特征。
The difference in distribution extent of root absorption activities between two varieties was not significant.
两品种根系吸收活力的分布范围相差不大。
New activities and interactions are initially stored in the root model.
新的活动和交互最初存储在根模型中。
There was a negative correlation between the nitrogenase activities of nitrogen fixing bacteria in root and that in leaf and stem.
此外，甘蔗根、茎、叶中固氮菌的固氮酶活性之间关系较为密切，根中固氮菌的固氮酶活性与叶片和茎中的都呈负相关。
The metabolites generally showed certain toxicity on the root and bud growth of plant seeds and the seeding growth of plants tested, but different isolates exhibited different activities.
结果发现灰葡萄孢代谢产物对供试植物种子萌发后根和芽的伸长以及幼苗的生长都有一定的抑制作用，但是不同菌株间差异明显。
They root from the most part of human being's activities, pursuing the nature of profundity, universalism, everlasting and full of meaning.
它们源于人类活动最高尚的部分，都追求着深刻性、普遍性、永恒和富有意义。
They root from the most part of human being's activities, pursuing the nature of profundity, universalism, everlasting and full of meaning.
它们源于人类活动最高尚的部分，都追求着深刻性、普遍性、永恒和富有意义。
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