viola

复数：violas

1. In the rhythm of quartet, the function of viola is to strengthen the medium part.
   在弦乐四重奏中,中提琴的作用是充实中声部。
2. A person who plays the viola is called a violist.
   演奏中提琴的人叫作中提琴手。
3. In this article the autbor describes 2 species and 1 variety of Viola as new to science.
   作者在文中描述了堇菜属Viola的2个新种和1个新变种.

宝山堇菜(Viola baoshanensis)——一种新的镉超富集植物
STUDIES ON THE POPULATION BIOLOGY OF THE GENUS VIOLA. II. THE EFFECT OF PLANT SIZE ON FITNESS IN VIOLA SORORIA.
Pharmacognosy study on Viola diffusa Ging
Rise of the twentieth-centry viola
Rapid Object Detection using a Boosted Cascade of Simple Features
Rapid Object Detection Using Boosted Cascade of Simple Features
Robust Real-Time Face Detection
Robust Real-Time Face Detection
Alignment by maximization of mutual information
Robust real time object detection