reduce

• This may be reduced to the much more condensed matrix form .
  这可以简化成较精简的矩阵形式。
• Such beds should reduce travelling distance per acre .
  这种带状栽植能减少单位面积的周转距离。
• Clean-cultivation reduces vole survival and reproduction .
  无覆盖耕作可减少田鼠的存活和繁殖。
• This very short "gun barrel" will help reduce dispersion .
  这种很短的“炮筒”有助于减小散布。
• The diary would be reduced to ashes and himself to vapor .
  日记会化为灰烬，他自己会化为乌有。
• Carrie was not to be reduced to the common level of observation .
  嘉莉并不迁就那种平庸的看法。
• Even the movements of the heart and lungs are greatly reduced .
  甚至心肺的活动量也大大减少了。
• The condensed vapor boron content was reduced to 2～3 mg/1 .
  冷凝蒸汽中硼含量可降到2-3毫克升。
• We can only retrieve the situation by reducing our expenses .
  我们只有缩减开支才能扭转这种状况。
• Radiation shields are commonly used to reduce radiation errors .
  辐射屏蔽罩一般用于降低辐射误差。