主干的英文：
trunk
main
core
- Steel is an integral part of a modern skyscraper.
钢铁是现代摩天大厦的主干。 - Storehouse Management is the main course of Logistics major.
《仓储管理》是物流管理专业的主干专业课程。 - A secondary woody stem or limb growing from the trunk or main stem of a tree or shrub or from another secondary limb.
分枝从树或灌木的主干或另一次级树枝上生长出来的次级树枝 - In programming, to create a task that can be executed asynchronously with the execution of the mainline code
在编程中创建一个可以同主干编码异步执行的任务。
n. 树干；象鼻；大衣箱；躯干
- This is a lined trunk.
这是一个有衬里的箱子。 - They paved the trunk line of a railroad.
他们铺设了铁路的干线。 - Look, this is central nerve trunk.
看，这是中枢神经干。
adj. 主要的；全力的，尽力的
n. 总管道，总线；干线，电力网，电源；体力
- by (main) force
用蛮力, 全靠气力; 以最大的力气 - main gate lodge
大闸区；大闸门房；大闸传达室 - This is the main road into town.
这是进城的主要道路。
n. 核心；精髓；果心；地核
v. 挖去…的果心
- inner core tube
内倒望远镜 - magnetic core switch
磁铁心开关 - core ,for electric transformers
线圈心,变压器用