运用数理统计学的误差传递公式，推导出了组合梁截面抗弯承载力统计参数的计算公式（以第一类截面为例）。
Take the first cross section as an example, and the calculation formula of flexural capacity of composite beams is obtained by using the error transfer formula of mathematical statistics.
方法：四氮唑蓝比色法(MTT法)观察梁金菇多糖对HL 6 0细胞的抑制率，应用形态学、流式细胞术、DNA凝胶电泳等方法检测细胞凋亡的发生。
METHODS: The proliferation inhibition effects of LJPS on HL-60 cells was observed by MTT colorimetry. Apoptosis was detected by morphology, flow cytometry and DNA agarose gel electrophoresis.
《孟子·梁惠王》所记载的一个故事中的牛与羊的区别，可以用结构主义符号学的方法来思考。
From the perspective of the structuralist semiotics, the present paper aims to interpret the differences between the ox and the sheep in the story told in Mencius 1A7.
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