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As is often the case with orchards, cool-season crops sometimes need frost prevention by smudging. 象通常在果园防霜那样，寒季作物有时也需要烟熏防霜。
English: 440. As is often the case with orchards, cool-season crops sometimes need frost prevention by smudging. 中文:象通常在果园防霜那样，寒季作物有时也需要烟熏防霜。
English: 440.As is often the case with orchards, cool-season crops sometimes need frost prevention by smudging. 中文: 象通常在果园防霜那样，寒季作物有时也需要烟熏防霜。
In order that the crops in open field could survive safely the winter frost prevention operation is of paramount importance. 为了使这些大田作物能够安全越冬,防霜作业具有极端重要意义。
As a small-scale illustration of the artificial modification of physical weather processes, take the frost prevention in an orchard. 我们可举果园中防霜作为说明对天气的物理过程进行小尺度人工影响的例子。
The research achievement of the embankment constructed with frost susceptibe a loose fine aggregate and fly ash and frost prevention are introduced. 主要介绍冰冻地区利用具有一定冻敏性的松散细集料粉煤灰修筑路堤及冻胀防治的研究成果。
The only small-scale weather modification other than local frost prevention is that of clearing an airport or airstrip of fog. 除局地防霜外,唯一的小尺度人工影响天气作业是清除航空港或简易机场上的雾。
This paper summarized the progress and prospective of biological characteristics and molecular biology of ice nucleation bacteria, and its application in frost preventing technology. 综述了冰核细菌生物学及分子生物学特性，以及冰核细菌在防霜技术中的应用，阐述了冰核细菌的种类、影响冰核活性的成冰因素及冰核细菌和霜冻害的关系。
Frost has killed several of our young plants. 寒霜冻死了我们的几株幼苗。
Young plants are often killed by frost. 植物的幼苗常因严寒而冻死。
The windscreen was covered with frost. 挡风玻璃上结了霜。
In this area black frost usually comes first in early December. 这个地区通常在12月初开始出现严霜。
Frost caused the split in the rock. 霜冻使岩石裂了一条缝。
The frost killed the young tomato plants. 寒霜冻死了番茄幼苗。
What can we do to prevent the disease spreading? 我们能做什么来防止这种疾病蔓延呢？
There's a touch of frost in the air. 空气中略有寒意。
After the heavy frost the road was a sheet of ice. 浓霜过後，路面结了一层冰。
The frost made the leaves curl (up). 叶子受霜冻而卷了起来。
The authorities took measures to prevent tax fraud. 当局已采取措施防止偷税漏税。
The apple trees were blighted by frost. 苹果树因严寒而枯萎。