Ochoa showed the journalists a black plastic lid that covered a swimming pool-size cement container of pig feces to prevent exposure to the outside air.
奥乔亚向记者带领记者参观了一个黑色塑料盖，它覆盖着一座游泳池大小的水泥猪粪池，以防止其与外界空气接触。
Wind, area size, and number of smokers affect the degree of exposure; and.
风向，区域大小和吸烟者的人数影响到了暴露程度。
Chronic exposure to more than 65 micrograms per cubic meter of any type of particle in this size range may increase risk for health problems.
长期暴露在含有超过65微克每立方米的任何颗粒的空气中，都会增加健康隐患。
This original image using 60-point second exposure, the size of 12 cm, also photographed a number of sunspots, in this copy can be seen.
此原始图像采用60分之一秒曝光，大小为12厘米，还拍到了几个太阳黑子，在此复制品中可以看到。
The fish in the water to sun exposure, or when the fed can genius according to the size of the fish to feed.
养鱼的水要在阳光下暴晒三四天才能用，喂养时要按鱼的大小来喂食。
The size of the committee depends on the size of the district and the potential for achieving positive public exposure.
委员会的规模大小是依据地区大小及可能达到的正面公关曝光率而定。
Results: The most influential parameters of sample size were susceptibility frequency of the genotype, environmental exposure factors in the population, and genetic modes.
结果：主要影响样本大小的参数为易感基因频率、环境因素暴露率、基因遗传方式，而疾病的发生率对样本量影响很小。
However, the film exposure device of the currently widespread-used X-ray machine has poor quality of image, a low level of automation, poor precision controlled and film exposure and large size.
但是目前国内广泛使用的X射线机的点片曝光装置还存在自动化程度低、控制精度差、曝光精度低以及体积大等缺点。
It depends upon the sampling methods and the size of the disease rate whether exposure odds ratio (EOR) in case-control studies can be used to estimate the CIR or IDR.
在病例对照研究中，是否可用暴露比值比(EOR)作为CIR或IDR的无偏估计，取决于抽样方法和疾病率高低。
Calculations of exposure degree, exposure coefficient and equivalent grain size for grains with various size located at different position relative to the riverbed are carried out.
并对不同粒径，在床面不同位置的暴露度、暴露度系数及等效粒径进行了计算。
But analysts now say they believe that Banks are lowering their exposure to local debt and hiding the size of their lending by working even more aggressively with trust companies.
但分析人士现在表示，他们认为，各家银行现在正通过与信托公司更加积极的合作，来降低其地方债务风险，隐瞒其贷款规模。
And the element such as setting of power of engine of eruption grain size, time of exposure, aircraft, need to bring into consideration limits when putting forward safety to be restricted to be worth.
而火山灰颗粒大小、曝光时间、飞机发动机功率设置等因素，在提出安全限值时都需要纳入考虑范围。
Surgical approach was chosen according to operative exposure, location, size and characteristics of the tumors.
手术入路的选择与手术的显露范围、肿瘤的大小与位置及肿瘤的性质有关。
Plate projection system: a plat exposure system which works by projecting the image from microfilm or compact roll film rather than by the same-size one-to-one contact printing of films.
投影制版系统：用微摄菲林或小型卷筒菲林内的影像投射于印版上的晒版系统，有别于用原大菲林和接触晒印的方法。
Plate projection system: a plat exposure system which works by projecting the image from microfilm or compact roll film rather than by the same-size one-to-one contact printing of films.
投影制版系统：用微摄菲林或小型卷筒菲林内的影像投射于印版上的晒版系统，有别于用原大菲林和接触晒印的方法。
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