1·Time sampling means that researchers choose various time intervals for their observation.
时间采样是指研究人员选择不同的时间间隔进行观察。
2·A method of systematic sampling has been adopted for Ailuropoda melanoleuca in Foping Nature Reserve.
已对佛坪自然保护区的大熊猫采用系统采样的方法。
3·A method of systematic sampling has been adopted for Giant panda (Ailuropoda melanoleuca) in Foping Nature Reserve.
已对佛坪自然保护区的大熊猫采用系统采样的方法。
4·Each of the four "sampling" areas takes one dry season to complete and then the cycle is repeated, so that each area is sampled once every four years.
在这四个“采样”区内的每一个地区进行的调查都要花一个旱季的时间，之后再重新开始这个循环，以便每四年完成一个区的调查工作。
5·Knowing the basics of populations, sampling, and statistical significance will help you to understand what's possible, and to better understand and interpret what the results mean.
了解人口、采样和统计意义的基本知识，将有助于您理解有哪些可能性，更好地理解和解释结果的含义。
1·What kind of sampling procedure do you use?
你将采用什么样的抽样程序？
2·With data sampling, only a subset of the data is scanned.
通过数据抽样，只需扫描数据的一个子集即可。
3·The third command samples 15% of all rows, does not collect distribution statistics, and also applies sampling to indexes which the first and second commands didn't.
第三个命令抽取 15% 的行，但是不收集分布统计信息，并对索引也应用了抽样，这不同于第一个命令和第二个命令。
4·The uncertainty owing to both the sampling variability and the choice of model (s) should be given when disease burden results are presented.
由于抽样变异性和模型选择所引起的不确定性应在展示疾病负担结果的时候予以说明。
5·To reduce execution time, unless the rules are columnar, you should use virtual tables where possible, and avoid using sampling.
要减少执行时间，除非规则是柱状的，否则，在可能的情况下采用虚拟表，并避免使用抽样。
1·These include hand collecting, using baits to attract the ants, ground litter sampling, and the use of pitfall traps.
这些包括人工收集，使用诱饵吸引蚂蚁，地面垃圾取样，以及使用陷阱诱捕。
2·Although random sampling used for many surveys fails to cover large segments of the population, the procedure nonetheless offers insight into voting and consumption patterns.
虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。
3·He suspects that further sampling in Europe may uncover yet more cryptic types of worms, species that look identical but are indeed separate on a genetic level.
他揣测，在欧洲进一步取样可能会发现更多的蠕虫隐性品种，这些物种外观相同，但在遗传水平上确实是各不相同的。
4·SQS USES message sampling based on weighted random distribution, and it returns messages only from the sampled subset of servers when you query for messages.
SQS使用基于加权随机分布的消息取样，在查询消息时，它只从取样的一部分服务器返回消息。
5·Even though a particular request may not return all messages in the queue, if you keep retrieving from the queue it will end up sampling all of the servers and you'll get all your messages.
尽管一次查询请求可能不会返回队列中的所有消息，但是如果一直从队列中获取消息，最终会取样所有服务器，您就会得到所有消息。
1·In order to know the sanitary quality of disposable sanitary products produced, sold and used in Beijing, field sampling and laboratory examination method were used to carry out a survey.
为了解北京市生产、销售和使用的一次性使用卫生用品的卫生质量状况，采用现场抽取样品和实验室检测方法进行了调查。
2·The electric motor permits the use of an electronic controller, and the ability to programme a complete tow in terms of sampling duration before each gauze advance.
电的马达允许电子的控制器的使用， 和在每个薄纱进步之前抽取样品期间的术语为完全的拖规划程序的能力。