decline in quality
英
美
[网络] 质量下降
双语例句
- Heilongjiang Province is located in the Alpine region. For its cold weather, tree growth is slow. To breeding a new fast and strong resistance varieties of poplar is important to solving the shortage of wood, poplar decline in quality, the lack of new varieties.
黑龙江省地处高寒地区，气候寒冷，树木生长缓慢，选育速生抗逆性强的杨树新品种，对解决木材短缺，杨树品质下降，新品种缺乏等问题具有积极的作用。 - This kind of noise, spindle bearing produce proof quality problems or spindle bearings use life has to wear, or after the decline in the quality or damage, can consider to change at this time.
这类噪音的产生，证明主轴轴承存在质量问题或者主轴轴承使用寿命已到，或者磨损后质量下降或损坏，此时可以考虑更换。 - Through the investigation of the land environment, the paper discovered that land has a rapid decrease in quantity and a decline in quality, which affects the development of national economy.
本文通过对我国土地环境的调查，发现土地数量急剧减少，质量下降，直接影响到国民经济的发展。 - At least one other study has linked obesity in men to a decline in sperm quality, but Baird says more research is needed to confirm the association between body weight and infertility in men.
Baird说目前至少有一项相关研究表明男性肥胖与精子质量下降有关，但是还必须进行大量的研究以证实男性不育体重的关系。 - Another study, which looked at data from nearly 16,000 individuals over a year, concluded that as alcohol consumption increased there was a decline in diet quality.
另一项研究参考了近16000人全年的数据，得出的结论是饮食的质量随着酒精摄入量的增加而降低。 - And reduce the decline in the quality of arable land, freshwater resources shortage, environmental degradation, natural disasters exacerbated, which are facing the agricultural development challenge.
耕地减少和质量下降，淡水资源短缺，生态环境恶化，自然灾害加剧，这些都是农业发展面临的大挑战。 - The new system may be more economic but will lead to a decline in programme quality.
新系统可能更合算，但是会降低程序质量。 - Information on the Web site for coverage of the decrease will also affect the decline in the quality of online services, the local impact of operational information and can be extended.
对网站来说信息覆盖面减小，也会影响网上服务品质的下降，影响地方信息的可操作性和可延伸性。 - Sugarcane Yellow leaf Syndrome ( SYLS) is a new sugarcane disease discovered in recent years in China and in the world. It causes severely decline in quality and quantity of sugarcane and is responded to variety retrogression.
甘蔗黄叶综合症（SugarcaneYellowleafSyndrome，SYLS）是世界及我国近年发现的重要病害，造成产量下降、品质变劣和种性退化。 - It increases plants'susceptibility to diseases and affects flower development and seed growth, causing a decline in quality in crops such as rice and wheat.
缺硼会让植物更容易发生疾病，影响花的发育和种子的生长，导致诸如水稻和小麦等作物的品质下降。