英汉双语例句-生物医药大词典

Before conducting regular sampling surveys, it is necessary to find out about the basic statistics units and their geographical distribution and to establish a scientific sampling framework in accordance with an approved plan for sampling surveys.

中文意思：
进行经常性抽样调查，应当在调查前查明基本统计单位及其分布情况，按照经批准的抽样调查方案，建立科学的抽样框。

以下为相关句子列表(点击查看，可以看对应的解释）：

	Before climbing it, I pulled over for a carbo intake session and a breather by the side of a nice creek.			爬山前，我骑到一条小溪边，停下来补充能量和做深呼吸。
	Before coming to China she studied the Chinese language in a school in the Netherlands.			在来北京之前她在荷兰的一所语言学校学中文。
	Before commencement, but after publication in the Gazette of the final WOVM rules and procedures, a period of six months will be allowed for the market to become familiar with the prescribed requirements.			在实施之前，但在政府公报发布全车辆标识的最终规则与程序后，允许市场有6个月的时间熟悉规定的要求。
	Before committing to a solution, test the application on several workstations to determine the true load that the program places on real-world equipment.			在确认解决方案前，在几台工作站上测试该程序来判断把这些程序置于真实设备上的真实性。
	Before composing, I never wonder about the style (pop, rock, jazz, techno or classical) I will use.			在作曲前我从不考虑我将使用何种风格（流行，摇滚，爵士，电子或古典）。
	Before conducting regular sampling surveys, it is necessary to find out about the basic statistics units and their geographical distribution and to establish a scientific sampling framework in accordance with an approved plan for sampling surveys.			进行经常性抽样调查，应当在调查前查明基本统计单位及其分布情况，按照经批准的抽样调查方案，建立科学的抽样框。
	Before connecting the speakers, turn the unit off.			在连接扬声器之前，请关闭本机。
	Before connecting, turn off the amplifier to avoid damaging the speaker system.			连接系统之前，须关掉放大器电源以免损坏扬声器系统。
	Before connection upon completion of generator's mounting, measured insulation resistance of generator's winding, dry out the generator if necessary.			发电机安装完毕接线前，测试发电机定子绕组及励磁绕组电机绕组绝缘电阻。如果需要，对电机要进行干燥。
	Before considering the events of creation as recorded in Genesis 1, we will firstly list some of the details that God has recorded regarding Himself in His Word, the Bible.			神在圣经中显现了自己在思考创世纪中记录的事件以前，我们首先列举一些圣经记载的详尽细节。
	Before continuing her extended overseas mission in East Asia, she visits Jordan late Monday to express U.S. condolences for last week's terrorist attacks in Amman.			赖斯将在星期一晚些时候访问约旦，表达美国对上周安曼遭受恐怖分子袭击的吊唁。