even numbers;dual ;

The Chinese people stress to send gifts in pairs, for odd numbers are regarded as inauspicious.
中国人送礼物时很强调双数,因为单数被认为不吉利。
来源:互联网摘选Methods Sixty patients with cerebrovascular accident were divided into two groups randomly.
方法将60例脑血管意外病人按入院顺序单双数随机分成两组,各30例,单数为对照组,双数为观察组;
来源:互联网摘选Senators are chosen in state-wide elections held in even-numbered years.
每逢双数年份便举行全州性的选举,选出参议员.
来源:词典精选例句Dual digital display shows the actual temperature and the setting temperature.
双数码管直接显示实测温度和设定温度.
来源:互联网摘选
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