工学 园路工程 释 step 台阶 上下台基之间的阶梯。一般指用砖、石、混凝土等材料连接不同标高地面之间的踏步及构件。
step ①踏板 ②轴瓦 ③步 ④级 ⑤阶跃
step 步 长 ；阶段；阶梯；阶跃
＞物理化学＞结构化学＞释义 step 台阶
理论计算机科学 佩特里网 释文 step 步
- universal postal service
- Universal Postal Union
- universal predicate
- universal principal bundle
- universal problem
- universal product
- universal product code
- universal production line
- universal profinite group
- universal projective cone
- universal property
- universal proposition
- universal quantification elimination
- universal quantification introduction
- universal quantifier
- universal quantor
- universal quantum cloning
- universal quantum computer
- universal quantum gate
- universal quantum gates
- universal quasi-chemical activity-coefficient
- universal recursive function
- universal relation
- universal representation
- universal R matrix