ductless

1. Endocrine system: Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis.
   内分泌系统：由无管腺体组成的系统，分泌激素（荷尔蒙）以供身体正常生长、发育、繁殖和自我恒定性之需。
2. Endocrinology is defined as the study of the ductless or endocrine glands and their internal secretions.
   内分泌学的定义是：研究无管腺或称内分泌腺及它们的内分泌的科学。
3. Ductless gland Most of the post-septal part of the nephridial tube is secretory.
   【解】无管腺，内分泌腺肾管的后隔膜大部分具有分泌作用。
4. Pancreas: Compound gland functioning as Both an exocrine ( secreting through a duct) and an endocrine ( ductless) gland.
   胰脏：混合的腺体，同时具有外分泌腺（经由导管分泌）与内分泌腺（无导管）的功能。
5. Research on the Energy Saving and Safety of Ductless Fume Hood
   无管排风柜的节能与安全性研究
6. Introduced the configuration, characteristic and test method of the ductless fume hood.
   介绍了一种新型的排风柜&无管排风柜的结构、特点以及测试方法，从节能和安全两方向进行分析研究。
7. Technical and Economical Performance Analysis on Ductless Inductive Ventilation System of the Underground Parking
   地下停车场无风道透导通风系统性能及经济性分析
8. As an important component of the ductless inductive ventilation system, the jet inducted fan is used more and more widely in ventilation system of underground garage.
   射流诱导风机作为实现射流诱导通风方式的主要产品之一，在地下车库等通风系统中得到广泛的应用。

adj

1. not having a duct
   1. ductless glands