1、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(diǎn):從屬連詞、介詞、標(biāo)點(diǎn)符號(hào)
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(jié)構(gòu)
找謂語(yǔ)動(dòng)詞(began, came, wants, cannot be foreseen);
↓
找連詞(when, that, that)
↓
前面沒(méi)有從屬連詞的動(dòng)詞即為主句的謂語(yǔ)動(dòng)詞
↓
確定主從句
主句:This trend began during the Second World War ;
從句:定語(yǔ)從句when several governments came to the conclusion修飾the Second World War,本從句嵌套著一個(gè)二級(jí)從句即同位語(yǔ)從句that the specific demands cannot generally be foreseen in detail修飾conclusion和一個(gè)三級(jí)從句that引導(dǎo)的定語(yǔ)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(yǔ)做狀語(yǔ);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(yǔ)修飾the Second World War ;that the specific demands cannot generally be foreseen in detail同位語(yǔ)從句修飾conclusion ;that a government wants to make of its scientific establishment修飾demands。