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科学时代收录了1160609条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。

plan plan administrator plan administrator planar angle planar array
planar array planar array antenna planar array radar planar cam mechanism planar contact pair
planar coordinate planar crossed force system planar defect planar design planar dielectric waveguide
planar diode planar double-enveloping worm planar double-enveloping worm wheel planar embedding planar factor
planar flow casting planar flux density planar force system planar graph planar graph
planarity planar junction planar junction planar kinematic chain Planar lens
planar linkage mechanism planar mirror planar neutron source planar osculating angle planar parallel motion
planar pivot four-bar mechanism planar rotation matrix planar technique planar technology planar transistor
planar type detector planar wave planar waveguide planar winding planation
planation planation stream piracy planation surface Planchon planchonella
Planck constant Planck constant Planck constant Planck era Planck formula
Planck law Planck length Planck mass Planck mean Planck radiation law
Planck's constant Planck's hypothesis Planck's law Planck's radiant body Planck's radiation law
Planck units Planctomyces plan description plan-do-check-act cycle (PDCA cycle) plan document
plane plane plane plane plane
plane plane plane plane plane
plane analytic geometry plane angle plane angle plane at infinity plane bearing
plane bed plane bed plane bend plane Cartesian coordinates plane coordinate
plane coordinates plane coordinates plane Couette flow plane couple system plane curve
plane curve location plane curve location plane cut plane design plane diffusion kernel
planed wood plane elasticity plane-ended charge plane extensional flow plane flow
plane flow plane force system plane geometry plane geometry plane geometry
plane graph plane grating plane hologram plane hologram plane interference
plane jet plane jet plane kernel plane kinematics plane lattice
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