汉英词典
Chinese-English Dictionary
MEANING OF 數量積
數量積 (数量积)
scalar product (of vectors)
又称内积”、点积”,物理学上称为标量积”。两向量a与b的数量积是数量|a|·|b|cosθ,记作a·b;其中|a|、|b|是两向量的模,θ是两向量之间的夹角(0≤θ≤π)。
() shù/shǔ/shuò liàng/liáng () jī
EXAMPLE SENTENCES

矢量乘法有两种,一种叫做“点积“,通常也被叫作“数量积

There are two ways that we multiply vectors and one is called the "dot product" often also called the scalar product.

Drawa UMLdiagram first编写和测试vector2d定义加法,减法,数量积,输入和输出操作符一类,和两个二维向量的内积。

Write and test a class Vector2D to define operators for addition, subtraction, scalar product, input and output, and inner product of two 2d vectors.

书上积满了灰尘。

The books were all covered with dust.

积小胜为大胜。

Many small victories add up to a big one.

这就是点积。

That is the dot product.

金律师办理过大量的非诉讼及诉讼、仲裁案件,办理案件数量已达600余件,积累了非常丰富的办案经验。

Lawyer Jin has handled over 600 non-litigious, litigious and arbitrational cases, and gained extensive hands-on experience.

积少成多,集腋成裘;积沙沉舟。

Many a little makes a mickle; many sands will sink a ship.

沟渠中积满了淤泥。

The ditches had filled up with mud.

雨水积聚在排水道里。

Rain water collected in the drainpipe.

这场冤仇积结了多年。

The feud smouldered on for years.