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(2) 实验要点
（to be） prepared by the reaction of … with …
                synthesized  via  reacting                       
                obtained  via  condensation

  by means of
  by using
  by the use of
  using … as …

over a wide range of …
over a broad composition range
over most of the range of …
over the entire … range
covered the ranges from … to …
in the range of …
in the temperature range from … to …
with a variety of  … contents
containing … percent or more  …

in the presence of …
in the absence of …

（3）主要结论

主动语态（或被动语态）的表达形式（见上
例 ）

用That 从句表示实验结果
  The results indicated that …
  The results show that …
  The results demonstrated that  …
  The results reveal that  …

由It 引起的that 从句

  It was shown that  …
  It can be seen that …
  It was found that …
  It was discovered that  …
  It was concluded that …
  It has been demonstrated that …

It was clarified that …
It was revealed that …
It is considered that …
It was confirmed that …
It is suggested that …
It was supposed that …
It has become apparent that …

以… to be 后的表语成分表示测定、计算等
  的结果

  The rate constant of the catalytic reaction was calculated to be 5.67x106 cm3 mol-1s-1.

  The theoretical equation was proved to be correct by the experimental results.

表示具有某种影响，以及数量的依赖、增减关系

… 与 … 有关
  … （to be）correlated with …
                       associated with …
                       related to …
                      dependent upon …
                      independent of  …
                      in relation to …

                in a linear relationship with …
                proportional to …
                inversely proportional to  …

       … depends on …
        The dependence of  … on …

        … increase with the increase of …
        … decrease with the increase of …

（不）相符的表示方法