rudiments

n.

初步，入门；基本原理( rudiment的名词复数 )；雏形；萌芽退化器官；

1. Relying on ordinary people to spread the word, the churches are particularly good at conveying the rudiments of management.
   由于要依靠普罗大众向全世界传播，该教会尤其长于传授管理的基础知识。
2. He has just learned the rudiments of Chinese.
   他学汉语刚刚入门。

Rudiments of rough sets
Rudiments of μ-calculus
Rudiments of rough sets. Inf Sci
Cell suspensions from organ rudiments of chick embryos ☆
Rudiments of an average case complexity theory for piecewise-linear path following algorithms
Infant Preferences for Attractive Faces: Rudiments of a Stereotype?
Salamanders ( Plethodon cinereus) go for more: rudiments of number in an amphibian.
The dissociation and aggregation of cells from organ rudiments of the early chick embryo
Inductive epitheliomesenchymal interaction in cultured organ rudiments of the mouse
Epithelio‐mesenchymal specificity in the morphogenesis of mouse sub‐mandibular rudiments in vitro