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
- orthogonal frame bundle
- orthogonal frequency division multiplexing
- orthogonal frequency division multiplexing, OFDM
- orthogonal frequency division multiplexing，OFDM
- orthogonal function
- orthogonal functions
- orthogonal group
- orthogonal group pair
- orthogonal group representations
- orthogonal icosahedron
- orthogonal idempotent elements
- orthogonal idempotents
- orthogonal increment process
- orthogonal integral equation
- orthogonal invariance
- orthogonal invariant
- orthogonal involution
- orthogonal iteration
- orthogonality
- orthogonality catastrophe
- orthogonality condition
- orthogonality of columns
- orthogonality of mode shapes
- orthogonality of rows
- orthogonality of trigonometric functions