Despite some overall disadvantage in education and job structure, black urban families headed by a migrant of rural origin did not experience lower average income than other black urban families.
尽管在教育和工作结构上总体来说处于劣势，但拥有农村移民背景的黑人城镇家庭在平均收入方面并不比其他黑人城镇家庭要低。
Polyunsaturated fats, which are typically of vegetable origin, have the opposite effect; thus corn, safflower, soybean and sesame oils tend to lower the level of potentially dangerous LDL.
多元不饱和脂肪主要存在于未加工的蔬菜里，它有着与上相反的功效；像玉米、红花、黄豆和芝麻油都含有较低的LDL。
The intermediante level of education of rural-urban black migrants has seved to lower the average level of education in both the black population of origin and the area of destination.
乡-城黑人移民不高不低的教育水平导致来源地（农村）和目的地（城市）黑人的平均教育水平下降。
We are informed that some lots of American origin have been sold here at a level about 30% lower than yours.
本公司得悉本地现正出售的美国大米，价格较上述报盘约低30%。
PostScript's coordinate system puts the origin (0, 0) at the lower left corner of the page, and contains 72 points per inch.
PostScript的坐标系统将把原点(0,0)放置在页面的左下角，并且每英寸包含72个点。
Obscure gastrointestinal bleeding is defined as bleeding of unknown origin that persists or recurs after a negative initial endoscopic evaluation of both the upper and lower gastrointestinal tracts.
来源不明性胃肠出血是指首次上、下消化管内窥镜检查都阴性、原发部位不明的持续或反复性出血。
Insiders say many Chinese companies simply did not apply for the Certificate of Chinese Origin for their products, with which their exports could have enjoyed lower tariffs.
知情人士透露，中国有很多企业完全没有为它们的出口产品办理中国的原产地证，否则它们的出口产品可以享受更低的关税优惠。
Variations in the number, origin and distribution of the apical and lower segmental arteries have been described.
顶、下段动脉的数目、起源和分布范围常有变化。
The origin of burnout in PE class include mainly: affect of used education idea, increasing stress of employment, poor composite factors of PE and lower self efficiency.
体育课倦怠成因主要有：陈旧教育观念的影响、就业压力增大、体育教学的综合因素欠佳和较低的自我效能感。
This article gives an account of the origin and modern life of the aboriginal nationalities living on the lower reaches of the Heilongjiang River.
本文介绍的是夏龙江下游的土著民族的起源与现代生活状况。
Plasmodesmal origin and secondary modification are compared between higher plant and lower plant also.
并且比较了高等植物和低等植物胞间连丝的发生和次生变化。
The origin of the green mist on the lower left, however, is currently unexplained.
然而，左下方的那团绿色的迷雾却还无法解释。
The experiments also show that the origin of large scale compressional basins are associated with the existence of stable blocks in the lower lithosphere.
实验还表明，大型压性盆地的形成与岩石圈下层稳定块体的存在有关。
The experiments also show that the origin of large scale compressional basins are associated with the existence of stable blocks in the lower lithosphere.
实验还表明，大型压性盆地的形成与岩石圈下层稳定块体的存在有关。
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