This trend began during the Second World War, when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail.
1、句子拆分
拆分點:從屬連詞、介詞、標點符號
This trend began ∥during the Second World War, ∥ when several governments came to the conclusion ∥that the specific demands ∥that a government wants to make of its scientific establishment cannot generally be foreseen ∥in detail
2、句子結構
找謂語動詞(began, came, wants, cannot be foreseen)
找連詞(when, that, that)
前面沒有從屬連詞的動詞即為主句的謂語動詞
確定主從句
主句:This trend began during the Second World War ;
從句:定語從句when several governments came to the conclusion修飾the Second World War,本從句嵌套著一個二級從句即同位語從句that the specific demands cannot generally be foreseen in detail修飾conclusion和一個三級從句that引導的定語從句that a government wants to make of its scientific establishment修飾demands。
3、解析
during the Second World War(介詞短語做狀語)when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail (做定語修飾)the Second World War ;that the specific demands cannot generally be foreseen in detail(同位語從句修飾)conclusion ;that a government wants to make of its scientific establishment(修飾)demands。