導

to transmit / to lead / to guide / to conduct / to direct

a unit of length / inch / thumb

road / path / CL:條|条[tiao2],股[gu3] / principle / truth / morality / reason / skill / method / Dao (of Daoism) / to say / to speak / to talk / classifier for long thin things (rivers, cracks etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process / (old) circuit (administrative division)

leading / dominant / prevailing / to lead / to direct / to dominate

to conduct (heat, electricity etc)

to advocate / to initiate / to propose / to be a proponent of (an idea or school of thought)

to control (the course of sth) / to guide (a missile)

to advise / to attempt to convince

proponent / advocate / pioneer

semiconductor

guide / forerunner / pioneer

to precede / to guide

optical fiber

semiconductor superlattice

high-level leadership / top brass

not differentiable (function in calculus)

leadership

leadership (role)

(biology) to mediate

Globalnaya Navigatsionaya Satelinaya Sistema or Global Navigation Satellite System (GLONASS), the Russian equivalent of GPS / abbr. to 格洛納斯|格洛纳斯

BeiDou Navigation Satellite System (BDS) (similar to GPS)

semiconducting ceramic (electronics)

semiconductor detector