n.内长（茎）植物，单子叶植物

The model assumes that technological progress is endogenous to the economic system.
该模型假设技术进步是经济系统内生的。
Endogenous growth theory posits that knowledge and human capital are key endogenous factors for long-run economic development.
内生增长理论认为，知识和人力资本是长期经济增长的关键内生因素。
The study identifies endogenous hormones as a major influence on seed germination.
该研究识别出内源性激素是影响种子萌发的主要因素。
Endogenous variables in an econometric model are those that are determined within the system being analyzed.
计量经济学模型中的内生变量是指在被分析系统内部决定的变量。
The company's success was largely endogenous, resulting from internal innovations rather than external factors.
公司的成功主要是内生的，源于内部创新而非外部因素。
Endogenous depression refers to a type of mood disorder with no apparent external cause.
内源性抑郁是指一种没有明显外因的情绪障碍。
In biology, endogenous substances are those produced naturally within an organism.
在生物学中，内源性物质指生物体内自然产生的物质。
The policy aims to stimulate endogenous economic development in rural areas.
该政策旨在激发农村地区的内生经济发展。
Endogenous retroviruses are ancient viruses incorporated into the host's genome over evolutionary time.
内源性逆转录病毒是在进化过程中嵌入宿主基因组的古老病毒。
The region's cultural diversity is an endogenous strength that fosters creativity and innovation.
该地区的文化多样性是一种内生优势，促进创造力和创新。