Smith counters that if you factor in the hidden cost of government corn subsidies, environment degradation, and decreased human health and animal welfare, grass-fed is the more cost-effective model.
史密斯反驳说，如果你把政府谷物补贴的隐藏成本、环境恶化以及人类健康和动物保护的减少考虑在内，那么草饲模式更具成本效益。
Soil erosion is a major factor of causing environmental degradation.
土壤侵蚀是造成环境退化的一个主要因素。
Eutrophication is the main factor for the degradation of lake ecosystem.
富营养化是导致湖泊生态系统退化的主要因素。
The customhouse's test result about raw silk export show that raw silk size quality is a key factor affecting raw silk degradation, in order to improve raw silk quality, it is .
近几年海关对出口桑蚕厂丝检验结果显示生丝纤度成绩是影响生丝定降级的重要因素，因此，提高生丝纤度成绩势在必行。
Soil erosion is a major factor of causing environmental degradation. For a long time, human irrational utilization of natural resources is destroying the vegetation and thus leads to serious erosion.
土壤侵蚀是造成环境退化的一个主要因素，长期以来，由于人类不合理的利用自然资源，导致植被生存的环境受到极大的破坏，引发了严重的土壤侵蚀。
The test result showed that the dark degradation will gradually reduce the viral titre, each survey factor will have the significant influence to the viral degradation rate.
试验结果显示暗降解会逐步减少病毒的效价，各测量因素对病毒降解率均有显著性影响。
Among those factors which cause soil degradation, soil erosion is the most popular and important factor.
在引起土壤退化的诸因素中，土壤侵蚀是最普遍和最重要的因素。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
Historical lessons tell us that environmental degradation has always been a factor in social collapses.
历史教训告诉我们，环境恶化总是文明崩溃的一个前提。
Current density was the control factor and the degradation rate of TOC increased gradually with current density.
电流强度是渗滤液toc降解的控制因素，TOC的降解速率随电流强度升高而逐渐提高。
Increasing of villager's labor intensity (land productivity descent, labor time extension) caused by environment degradation is the important factor to cause the poverty;
因环境退化导致村民劳动强度增加（土地生产力下降，劳动时间延长）为决定贫困的重要因素；
The SEM observation considered that the pulverization and oxidation of hydrogen storage alloys during charge discharge cycles was a important factor of the degradation of MH electrodes.
扫描电镜(SEM)观察认为，贮氢合金在充放电过程中的不断粉化和氧化是贮氢电极失效的主要原因。
The degradation speed of same pesticide was also differed from various species of crops obviously due to the comparative surface area of crops growth factor etc.
同一农药在不同作物上的消解速度也有明显差异，主要与作物比表面积、生长系数等因素有关。
Soil erosion is a main factor of soil degradation of purple soil sloping field in the Three Gorges reservoir area, and therefore leads to soil coarseness and acidification.
土壤侵蚀是三峡库区紫色土坡地土壤退化的主因，并由此造成土壤粗骨沙化和酸化。
The acceleration factor calculated from tensile testing indicates that the relative humidity has an obvious effect on the degradation together with the well-known effect of the temperature.
拉伸试验计算所得的加速系数说明相对湿度和众所周知的温度一样，对降解有明显的影响。
The main external factor of solder joints degradation or deviation from an expected normal condition is the time stress such as work and environment stresses.
焊点所承受的各种环境应力和工作应力的时间历程（时间应力）是其疲劳失效的直接外因。
It is shown that the temperature is the most important factor influencing the rate of thermo-oxidative degradation while oxygen content is of negligible importance.
研究表明温度是影响热氧化降解速率最重要的因素，而氧含量的影响则相对较小。
Study shows that: incised valley of the rock mass caused by unloading relaxation, caused by rainwater infiltration rock strength degradation is the formation of red layer a major factor in landslides.
研究表明：河谷下切引起的岩体卸荷松弛，雨水进渗导致的岩体强度衰减是导致红层滑坡形成的主要因素。
Overgrazing was found to be another important contributing factor in grassland degradation in China.
过度放牧是造成中国草地生态系统破坏的重要原因。
Overgrazing was found to be another important contributing factor in grassland degradation in China.
过度放牧是造成中国草地生态系统破坏的重要原因。
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