英国人工授精与胚胎学管理局的发言人说：“我们坚决认为把人工受精当作彩票‘奖励’是不正当且完全不合时宜的。”
A spokesman with the Human Fertilisation and Embryology Authority said: "the HFEA is strongly of the view that using IVF as a 'prize' in a lottery is wrong and entirely inappropriate."
引入横向换热管后，混合间延长，且表观气速的影响范围变大，表观气速对混合时间的影响不是单调关系，存在极值点。
Mixing time was prolonged and the effect of Ug extended in a larger range and showed extremum points when cross heat exchange tube was introduced.
CA6102型发动机台架试验表明，使用YQ - 7磨合油可以缩短磨合时间，且具有显著的经济效益。
The experimental results of the CA6102 engine on the test bed show that the breaking-in time can be cut short and the economic benefits are significant when it is used.
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