We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
The culprit may be weak back muscles, the type of surface on which you run, the shoes you wear, or the length of your running stride.
其原因可能是背部肌肉太弱，也可能是你奔跑的路面有问题，还可能是你穿的鞋不合适，也许是因为你的步幅不对。
Long and thin, this moon measures about 90 feet in length, and its uneven surface is rife with craters.
这颗卫星又细又长，长度大约在90英里(约合144公里)左右，其表面并不平坦，布满陨坑。
That interlude gives the dolphin just enough time to drop its sponge, surface to get a breath, and dive again to snag the fish, most of which are about 12 centimeters in length.
趁着这个间隙，海豚会丢掉嘴中的海绵，浮出海面换气，接着马上潜入水里捕捉这些长度只有12cm的底栖鱼。
And the impulse coupling coefficient is not sensitive to nozzle length and the distance between ignition zone and inner surface of nozzle.
而冲量耦合系数对点火区与聚光系统内表面的距离及喷管长度等参数并不十分敏感。
The ramp's entirely glazed internal surface ensures natural light floods into the living Spaces and provides views of the private courtyard along its length.
斜坡内完全光滑的玻璃表面，确保自然光线可以照进生活空间，并随着其长度提供私人庭院的景色。
Vector dS is a vector which points perpendicular to the surface and whose length corresponds to the surface element.
向量dS与曲面垂直,并且它的长度与面积元素有关。
It was only possible to detect the length of the Venusian day by radar as the clouds entirely engulf the surface.
这是只可能检测为云雷达对金星一天的长度完全吞噬的表面。
The content of the survey involved the volume density, surface and length densities.
内容涉及到各种组织的体积分数、面积密度、长度密度等。
It is practically the full diameter of the drill and extends the entire length of the flute, its surface being a part of a cylinder.
它实际是钻子的充分的直径并且扩大长度的凹槽，它的表面是圆筒的零件。
Gloves: Black leather or leather-like material, mid-forearm in length. The upper surface is quilted in lines running parallel with the arm.
手套：黑色真皮或皮革类材料，长及前臂的一半处。上部为有内衬垫并有与手臂平行纵向缝合线。
The composition of the food and the surface on which it falls matter as much if not more than the length of time it remains on the floor, the study found.
这项研究发现，在细菌污染方面，食品与地面质材的组合与食品接触地面的时长几乎同等重要。
The rope canopy is strung up around the structural columns and held in place by metal fixings, creating a flexible surface that spans the length of the space.
这个绳索网串在构造的柱子之上并由金属固件固定，创造了一个跨越室内宽度的弹性表面。
Slope length is one of the important geomorphologic factors affecting the surface runoff and sediment yield.
坡长是影响坡面径流和水流侵蚀产沙的重要地貌因素之一。
This article discusses how to prevent and lessen welding distortion during welding producing from many aspect such as welding seam length and size, welding form, welding surface size, welding method.
论述在焊接生产中，如何防止和减少焊接变形，并在焊缝长短、焊缝大小、焊接形式、焊接面大小、焊接方法方面加以探索。
The heat flux to slab surface of a walking beam reheating furnace along length of the furnace is computed, and total heat exchange factor is also calculated.
以某轧钢厂的一台步进梁式加热炉为例，计算了钢坯表面热流沿炉长方向的分布，并反算求解总括热吸收率。
The entire body length of the component is in contact with the board surface.
整个组件本体长度与线路板表面完全接触。
First, curved surface is considered as the search field and the length of route as the objective function, thus the optimization problem of route is set.
首先，将整个曲面作为搜索空间，路径长度作为目标函数，设定了路径优化问题。
The distal processes of 'the receptor cells contain rich cytoplasmic organelles and the free surface is covered with numerous microvilli which differ in length.
感受细胞的远侧突含有丰富的细胞器，游离面覆盖着许多长短不等的微绒毛。
The surface heating fields over QXP die down when sunspot cycle length(SCL) become long(the sun activity die down).
太阳黑子周期长度（SCL）变长（太阳活动减弱）时，青藏高原地面加热场强度减弱。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
The method of arc-length parameter space provides a good solution for the surface grid of complex geometry contour, and establishes the foundation for the further analysis carried out.
该方法为具有复杂几何外形的物体表面网格的生成提供了一个便利的途径，也为进一步生成三维空间网格奠定了基础。
Conclusion There was a progressive increase in renal length and width with age, the renal length and width positively correlated with the height, weight, body surface area of school-aged children.
结论学龄儿童正常肾脏长径和宽径随着年龄的增长而增长，且与身高、体重、体表面积呈正相关。
The foot portion at its engagement surface has an axial length.
足部在其接合表面处具有轴向长度。
The plug surface pressure profiles for the full-length plug nozzle at different NPR can provide valuable data for researching the truncated plug nozzle.
不同压强比下全锥塞式喷管的塞锥表面压强分布规律，可以作为研究截短型塞式喷管塞锥压强分布的基础。
The inner foot portion at its engagement surface has an axial length.
内足部在其接合表面处具有轴向长度。
The inner foot portion at its engagement surface has an axial length.
内足部在其接合表面处具有轴向长度。
应用推荐