英文文献.pdf

英 文 原 文 ：of of a 4 , 2 0 1 0 7 , 9 9 8 ; 9 9 9 8to a of of a A in in at a an of of is of a of a of to be in be by 9 9 9 of of of B as in of in in at to a 2 0 0 0 at of to to of of a B at in a to or of so A of is 1 5 0 0 7 /9 9 /$ 一 9 9 9 S 1 3 5 0 一 6 3 0 7 (9 8 ) 0 0 0 4 1 一 7A of be of if of is a of a of a on an to on of of is to be a to of a is on k=1 .4 of of 1 . is is be as a of of of 3 is by of an of to be of in be in in in in 1 8 of it is to g(t) as of is as be to of an It to of to is to of of is we as on of (t) by q(t) is is of a A is of in , 0 0 ,0 0 0 m3 =1 0 %, of by , 6 0 ,0 0 0 m3 ,2 . of of as of a as of As a to of a be by 1 .5 .5 be of as is a of of it is to it is to as of a be by a a t) m3 ;一 3 of 5 of a a or it is to of of to of 1 to a as 2 is of a of n of ， ， a -(t), of of or of a ， th is as (t)=P n t . -(t) is et v(t) be of a t. In of t is a it is of As an of v to t on of t) of a on of 4 ) of of m,. ,., . of 5 % of a 2 ,7 1 9 2 0 to of to a of by a a . As in in of 1 of to by of to of in of 一 7 0 of 5 of in of ). in of 5 of in to to of to on of of a At it of is of is by of of is be of to an is to in is of a 4 .5 s of in a in of s in of 7 s. of a of to of in 5 s, in in of up to -2 s an a is of in as in of of a .6 s, of of so 3 %a it is of in of In of is of a of at as , of a of a of a 1 1 .5 to a to to 1 ) 6 of an is At to a is a is to to on of of of a 1 . of be of is of an 2 of to (1 ) of 1 ), (2 ) 7 ), (3 ) of ). of by of . It be of to 2 . of of of of a of is of 2 4 . of be =3 4 of so it is to of or if is it is of k a k,. On be by ,. of a of of to If of a of of 2 3 ,0 9 6 5 0 of k as of by of is by 3 , .9 , in of 4 , of of 9 an 2 0a 5 0 of of S 一 l=4 1 is 一 4 is by to by to , is as an of S 一 l=th e d =6 -N 4 , o=5 1 0 6 m=4 .5 m=5 .5 of of to it is to as of to we of 5 6 of we . 7 . It is is . of a is 2 ,7 1 9 , it is of in is .5 ,1 1 .5 , h . of of is is in 2 2 . be of to of of of by in 1 ) of in of 2 ) of a of 3 ) of 4 ) of by in a to . An to 2 . 3 rd 9 7 0 .2 . 9 8 7