第一層： As far as the third factor is concerned ,狀語從句
1 the history 主 of science 定 shows 謂 many 定 instances 賓 in which the force of authority has operated in such a manner as to build up an exceedingly power- 定語從句 ful resistance to further investigation ; in some cases 狀 centuries 主 elapsed 謂 before this resistance was eventually broken down,as 狀語從句2 happened in cosmology,for example.考試大
第二層： As far as 引 the third factor 主語 is 系 concerned 表語
in which 引 the force 主 of authority 定 has operated 謂 in such a manner as to build up an exceedingly powerful re- 狀 sistance to further investigation
before 引 this resistance 主 was 系 eventually 狀 broken down, 表 as happened in cosmology，for example 定語從句
第三層： as 引 happened 謂 in cosmology,狀 for example. 插入語
要點 本句由兩個分句構成，以分號連接。第一個分句的主幹爲the history of science shows many instances，in which引導的定語從句修飾instances，such as 表結果，後接不定式;在第二個分句中，before 引出時間狀語從句：before this resistance was eventually broken down;代詞as在此是關係代詞，引出定語從句：as happened in cosmology。resistance：抵抗;阻力。cosmology：宇宙論，宇宙哲學。考試大
