When the Smith family arrives at the Christmas tree farm, they see thousands of Christmas trees.
当史密斯一家到了圣诞树农场，他们看见了许许多多的圣诞树。
The Dulls' barn is part of a Christmas-tree farm.
道尔的谷仓就是圣诞树农场的一部分。
According to the effects of environmental geomorphology of this region on utilization, this tree farm can be divided into three parts: the east, the middle and the west.
根据地貌条件对开发利用的影响，林场内可划分东、中、西三个环境地貌区。
Afforestation countermeasures for mountain waste in Saihanba Tree Farm is discussed using systematic engineering.
运用系统工程分析的观点对塞罕坝林场今后的荒山造林对策进行了探讨。
In this paper, the preliminary study on prevention and control technique of forest rat harm in Saihanba Mechanised Tree farm and Yudaokou Ranch of northern of Hebei was made.
本文对河北省北部的塞罕坝机械林场和御道口牧场的森林鼠害防治技术进行了初步研究，包括杀鼠烟剂的筛选和中药提取物的筛选。
In this paper, the preliminary study on prevention and control technique of forest rat harm in Saihanba Mechanised Tree farm and Yudaokou Ranch of northern of Hebei was made.
本文对河北省北部的塞罕坝机械林场和御道口牧场的森林鼠害防治技术进行了初步研究，包括杀鼠烟剂的筛选和中药提取物的筛选。
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