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- 四元数EP矩阵 quaternion EP matrices
- 关于四元数EP矩阵偏序的研究 On Partially Ordered EP Matrix Over Quaternion Field
- 四元数一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项 An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.
- 四元数矩阵 quaternion matrix
- 实四元数矩阵 real quaternion matrix
- 百元 century
- 四是 fourthly
- 匝数 number of windings
- 百万元 million
- 他经历数年的辛劳之后成功了。 He succeeded after years of toil.
- 四氟 tetrafluoro
- 她已连续四年获得一等奖。 She has been awarded first prize four years in succession.
- 一个熟练的技师需要数年时间才能培训出来。 A skilled technician takes years to train.
- "我一周最多只能给你增加60元。" "我恐怕不能接受。" "Another %2460 a week is all I can offer." "I suppose you know what you can do with that."
- 小提琴有四根弦。 There are four strings on a violin.
- 一夸脱是两品脱，而一加仑是四夸脱。 There are two pints in a quart and four quarts in a gallon.
- 汉语有四声。 Mandarin Chinese has four tones.
- 矩阵数 matrix function; function of a matrix
- 这棵树的树干有四米粗。 The trunk of this tree is four meters thick.
- 全主元矩阵 whole - main - factor - matrix
