At its type section in the Jiyang Depression, the member 4 can be divided into the upper, middle and lower sub-members.

沙四段在其建组剖面分为沙四上、中和下三个亚段。

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The influence is greater elsewhere, especially in sub-Saharan African countries including Sudan, Burkina Faso and Niger, where climate change has driven the average income more than 20% lower.

这种影响对其他地区更大，尤其是撒哈拉以南的非洲国家，包括苏丹、布基纳法索和尼日尔，气候变化使这些国家的平均收入下降了20%以上。

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SABMiller subsidiary Nile Breweries first concocted the sorghum beer recipe in 2002 (it also scored lower sorghum beer taxes), making it an early mover in the sub-pyramid space.

2002年，南非米勒酿酒公司的子公司尼罗河啤酒厂（Nile Breweries）首次研制出高粱啤酒配方（并获得更低的高粱啤酒税），成为进入该低端市场的首批啤酒厂商。

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And lower case q sub 2 is the charge on the electron.

小写q加个下标2是指电子所带电量。

麻省理工公开课 - 固态化学导论课程节选

It shows that young people need the skills taught at primary and lower secondary school to find decent jobs.. In sub-Saharan Africa, about 30 million children are still missing out on primary school and 22 million teenagers are out of secondary school, missing out on vital skills for future employment.

UNESCO: One third of young people in Sub-Saharan Africa fail to complete primary school and lack skills for work | United Nations Educational, Scientific and Cultural Organization

His government sacked four members of parliament from their sub-cabinet posts for voting against the bills in the lower house.

ECONOMIST: The hidden beauty in a heated battle

In sub-Saharan Africa, the gross enrolment ratio for girls in lower secondary education is 39% compared to 48% for boys.

UNESCO: World Water Assessment Programme (WWAP)