途径

• Plants had gradually evolved along diverging and converging pathways .
  植物是沿着趋异和趋同两种途径逐渐演化的。
• This is becoming less easy and it may soon become impossible .
  这种途径目前愈来愈困难，而不久就可能无法实现了。
• The pathway of ddt degradation in soil has not been fully ascertained .
  在土壤中滴滴涕降解的途径还没有充分调查。
• Two or more biosynthetic pathways may coexist in a single cell .
  在同一细胞中可能同时存在两条或更多条生物合成途径。
• People need a way of linking their productive lives to society .
  人们需要一种把他们的生产活动与社会联系起来的途径。
• There are two general ways in which fires can originate in a nuclear explosion .
  在核爆炸中，可通过两种途径引起火灾。
• There are several possible avenues for improving the productivity of agricultural land .
  提高农田生产率有几种可行的途径。
• Prince concluded that the needle was not the only means of transmission .
  普林斯得出结论认为，针头并非传播疾病的唯一途径。
• This pathway involves the transamination of prephenate to form pretyrosine .
  这一途径包括预苯酸的转氨基作用，形成预酪氨酸。
• We assert that the braun-blanquet approach does not fall short .
  我们坚信其它分类途径比之Braun-Blanquet途径，仍然是有所不足。