理学 计算机硬件电路 释 daughtercard;daughterboard 子板 通过触点等方式连接到母板（或其他功能板）上的，尺寸相对较小的具有一定功能的印制电路板。
计算机硬件 计算机工程制造 释文 daughtercard, daughterboard 子插件板 计算机硬件 计算机工程制造 释文 daughtercard, daughterboard 子插件板
- objects of labour
- object space
- object-space focus
- object space telecentric system
- object spectral characteristic
- object spectrum library
- object stage
- object state diagram
- object theorem
- object theory
- object tracking
- objectual interpretation of quantifiers
- object variable
- object wave
- object with differentiation
- object world and image world
- oblate
- oblate earth theory
- oblate ellipsoid
- oblate isotropic rotator
- oblateness
- oblateness, flattening
- oblate spherical propellant
- oblate spheroid
- oblate spheroidal coordinate