几何

听完物理特级教师在白板上用几何图形画出的辅助推导线，困惑已久的学生们顿时恍然大悟、豁然开朗。

tīng wán wù lǐ tè jí jiào shī zài bái bǎn shàng yòng jǐ hé tú xíng huà chū de fǔ zhù tuī dǎo xiàn, kùn huò yǐ jiǔ de xué shēng men dùn shí huǎng rán dà wù, huò rán kāi lǎng.

After listening to the auxiliary derivation lines drawn by the physics master teacher using geometric figures on the whiteboard, the students who had been confused for a long time suddenly became enlightened and enlightened.

在初中立体几何课堂上，数学老师向同学们详细讲解了正方体与长方体立方体积的计算公式。

zài chū zhōng lì tǐ jǐ hé kè táng shàng, shù xué lǎo shī xiàng tóng xué men xiáng xì jiǎng jiě le zhèng fāng tǐ yǔ cháng fāng tǐ lì fāng tǐ jī de jì suàn gōng shì.

In the junior high school solid geometry class, the mathematics teacher explained to the students in detail the formulas for calculating the cubic volume of cubes and cuboids.

在现代显微镜的超高清视野下，这一小粒微小的花粉颗粒呈现出极其规则复杂的微观几何结构。

zài xiàn dài xiǎn wēi jìng de chāo gāo qīng shì yě xià, zhè yī xiǎo lì wēi xiǎo de huā fěn kē lì chéng xiàn chū jí qí guī zé fù zá de wēi guān jǐ hé jié gòu.

Under the ultra-high-definition field of view of a modern microscope, this tiny pollen grain displays an extremely regular and complex microscopic geometric structure.