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1952 ω 1962 1965

70 >}70 80 . .. "4αJO 2∞820 60 0 . $

.

(1)1-2 4

.

T ω

( 1 ) ?

(2) 70 9 ( 3 ) ?

. 9 4.

ft.

|

| |

( 1) ?

(3) 工作?

l

. sënlfn ( ) forest

qinml ( )

CI e mtnnate

VVé I ( ) to maÎntain

plnghéng ( ) balancejlnghuà ( ) to purifyjùdà ( )

huge. tremendous

sh ngtài ( ) modes of

rganic life and their rela­ tìon to the environment

. 95 .

(CO ) . 7∞0.750.9 . 10

15 !

20%-509

. 96

xi xi xiõng guãn

10 be CI ely related wi

# googqTng (1;; ) h tare

kuòyèlln ( ) broadleaf trees

shùguàn ( ) crown of a tree

dOng ( ) to block

xù ( )

10 save up. 1 0 store upbàoytl ( ) rainstonnliúshi ( ) to run off.

10 -be washed aw

i nlshßiú ( } mud-rock flow

fùgài ( ) 10 cover

mùchOng ( ) grazing land pastureland

tlgàng ( ) 10 supply to provide 10 offer

mücói ( } wood timber lumber

húlüè ( ) 10 n

kOnfó ( }

10 fell (trees)

18∞-2 76 19 56 2038.7" "

8.6% 2∞9 20.36% .0.145 l " "

之路。

XI oshi ( ) t u d appear

.. yuónshT sënlfn primeval forest

plnfå ( )

1 0 o('cur fr uently

wönjiù ( }

10 save 10 rescue

shêngcûn ( )

1 0 exist. 1 0 live

. 97

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101 .

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