所有科技知识-科学时代

科学时代收录了3405121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。

lower cutoff frequency	lower cut-off requency	lower dead center	lower dead point	lower deck
lower deck plate	lower density	lower derivative	lower deviation	lower die
lower difference threshold	lower disc	lower draft	lower drive shaft	lower echelon
lower echelon automation switchboard{=LEAS}	lower echelon standard	lower edge	lower effective power{=LEP}	Lower Egypt
lower electrode area	lower electrode conductor	lower end buoy	lower end shield	lower epidermis
lowerer	lower explosion limit	lower explosive limit	lower explosive limit (LEL)	lower explosive limit{=LEL}
lower extreme point	LOWER EXTREMITY	lower eyelid	lower fan	lower fatty acid
lower feed threshing	lower filling knife	lower flammability limit{=LFL}	lower flange	lower flow regime
lower fluoroalkyl carbonyloxy substituent	lower fluoroalkyl carbonyloxy substituents	lower fore topsail	lower forward compartment	lower frequency
lower frequency clock	lower frequency noise	lower gasket	lower-grade	lower grade fuel oil
lower grid	lower guide bearing	lower guide metal	lower guide roller	lower-half bearing
lower half collar	lower-half headache	lower half{=LH}	lower half plane	lower hand grip retaining pin
lower head	lower heating value	lower heat value	lower height tree	lower high water
lower high water interval	lower high water {=LHW}	lower high water (LHW)	lower high water （LHW）	lower hitch point
lower hitch-point clearance	lower hold	lower homologue	lower hull	Lower Hutt
lower impression	lower index	Lowering	lowering	lowering and lifting test
lowering boom	lowering brake control	lowering limiter	lowering line	lowering line pocket
lowering or hoisting gear	lowering sampling	lowering speed	lowering-speed control valve	lowering strap
lowering the typing line	lowering time	lowering time of boom	lowering valve	lowering wedge
lower instruction parcel	lower integral	lower interlock realy	lower intertidal zone	lower jaw
Lower jaw-bone	Lower jaw cleft	Lower jaw fracture	lower jaw; mandible	lower keel
Lower Klamath L.	Lower Laberge	lowerland plant	lower lapping disc	lower larynx
lower lateral band	lower layer	Lower Layer Protocol	lower left-hand corner	lower left{=LL}
lower leg support	lower leg support assembly	lower level	lower level discriminator	lower leveling plate
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