霍普金森博士补充说，很难预测制造产业会以何种速度运用加法制造。

Predicting how quickly additive manufacturing will be taken up by industry is difficult, adds Dr Hopkinson.

youdao

采用一种新颖的实现方法，利用4 - 2压缩器和超前进位加法器来代替传统的加法，提高了运算速度。

This paper proposes a new method, which USES the 4-2 compressor and CLA instead of the traditional adder to improve the transformation speed.

youdao

结果表明小学生被试加法口算的速度和广度均随年级的增长而提高。

Results showed that the speeds and spans of mental addition of the pupils increased with the growth of subject's grades .

youdao