2 876 mots et expressions · 21 thèmes
rate of change of velocity with time
加速度
relating to sound and its properties
声学的；声音的
maximum wave or oscillation departure from equilibrium
振幅
curved structure transmitting loads to side supports
拱；拱形承重结构
join separate parts to make a complete device
装配；组装
exert a force drawing an object closer
吸引；产生吸引力
angle between rotation axis and orbital plane normal
转轴倾角；自转轴倾角
line about which a body rotates
轴；自转轴
shaft supporting a rotating wheel or part
轴；车轴
elongated structural member carrying crosswise loads
梁
region with event horizon from within which light cannot escape
黑洞
inward net force component for curved motion
向心力
structural member carrying mainly axial compression
柱；承重柱
pressing together under inward forces
压缩；受压
allow electric current to pass through
导电；传导电流
material that readily allows electric current
导体
principle that total energy of isolated system is constant
能量守恒
requirement or limit restricting engineering options
设计约束；设计限制条件
wave spreading near obstacles or openings
衍射
measurable extent such as length width or height
尺寸；维度
directed change from initial to final position
位移
reflected sound heard separately after original
回声
physical property responsible for electrical interactions
电荷
interconnected electrical components forming a current path
电路
rate of electric charge flow
电流
machine converting electrical energy to mechanical motion
电动机
opposition to electric current related to voltage and current
电阻
phenomena and energy use associated with electric charge
电；电力
physical quantity transferred as work or heat
能量
useful service or output relative to energy input
能源效率；能效
region with event horizon from within which light cannot escape
黑洞
Définition en anglais a region of space with a boundary called an event horizon, from inside which light cannot escape
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