During seed production in hybrid rice, preharvest sprouting is one of the main restricting factors for yield and quality.
在杂交水稻制种生产上，穗上芽的发生成为制约制种产量和品质的主要因素之一。
So, rare information becomes one of the main factors of restricting the rural economic growth.
因此，信息稀缺、信息不足成为制约农村经济增长的主要因素之一。
The results indicated that the lower income, worse financial condition, and bad quality of hospital services are main factors restricting the aged to seek medical services.
结果显示：老年人收入低，经济状况差导致的医疗服务购买力低和医院服务质量差是制约老年人就诊的重要因素。
For the active sonar operating in the reverberation-limited environment, reverberation is one of main factors restricting the performance exertion.
就工作在混响限制区域的主动声纳而言，混响成为限制声纳性能发挥的主要因素之一。
The main environmental factors of restricting the growth and distribution of aquatic plants are water depth, wird-driven waves and transparency of lake water as well as composition of sediment, etc.
制约水生植物生长、分布的主要环境因素是水深、风浪、透明度以及沉积物的组成等；
Events in life are one of the main factors restricting psychological adaptability.
生活事件是制约心理适应最主要的因素之一。
Taihu lake is the third largest freshwater lake in China, its main environmental problem at present is eutrophication of water body. Nitrogen and phosphorus are the restricting factors.
太湖是我国的第三大淡水湖，目前主要环境问题是水体富营养化，而氮、磷是主要限制因子。
Taihu lake is the third largest freshwater lake in China, its main environmental problem at present is eutrophication of water body. Nitrogen and phosphorus are the restricting factors.
太湖是我国的第三大淡水湖，目前主要环境问题是水体富营养化，而氮、磷是主要限制因子。
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