variety

• A variety of dilute mineral acids are used to extract the anions .
  用各种稀的无机酸来萃取阴离子。
• Creosote thus possesses a variety of advantageous properties .
  这样，防腐油就具有各种很好的性能。
• This inactivation may be accomplished in a variety of ways。
  这种失去活性作用能以多种方式来实现。
• The individuals of the new variety would chiefly cross together .
  这个新品种的个体通常会彼此配合。
• The two varieties intergrade over a narrow transition zone .
  这两个变种在较窄的过渡地带有中间类型。
• Varieties that do not produce fertile pollen are used as females .
  不产生可育花粉的品种被用作母体。
• Of these two primary grades all other grades were varieties .
  其它种种级别都是这两种主要级别的异称。
• A wide variety of mild sedatives and tranquilizers have become available .
  现在有许多种镇静剂和安定剂。
• It linked mathematics with a great variety of practical applications .
  它把数学和许多实际应用联系起来。
• Many varieties existed which differed from one another in clear-cut ways .
  存在许多可以截然区分的变种。