即使使用了安全带时，孩子仍需要很多的保护，例如调整儿童之间的距离；保持安全带发挥作用；并保证清洁。
Even when in use, they require a lot of maintenance—to adjust them from child to child, to keep them in good working order and to keep them clean.
为了清洁空气，加利福尼亚规定所有船只，在驶进距离岸边44公里范围内时，必须使用低含硫量燃料。美国各州中只有加州是这么规定的。
To clean up the air, California is the only state in the U.S. to require all ships to use low-sulfur fuel when they are within 44 kilometers of the shore.
在国际海洋组织的规定下，从2012年起，所有船只在进入距离北美洲海岸370公里水域内时，必须使用清洁柴油。
Starting in 2012, under the International Maritime Organization's regulations, all ships within 370 kilometers of North America will have to use cleaner diesel fuel.
“他们仅代表了高深莫测技术研究，距离应用还相当遥远，”从事家庭清洁机器人和军事模型制造的iRobot公司的首席执行官科林如此认为。
“They represent incredible research and technology that’s then backed into an application” says Colin Angle, the CEO of iRobot, which makes domestic cleaning robots and military models.
清洁，保证清晰的信号在长距离电缆长度，减少对信号的中继器的需要，对总安装成本节省。
Clean, crisp signals are ensured over long cable lengths, decreasing the need for signal Repeaters and saving on total installation costs.
采用镜面不锈钢内胆，四角半圆弧易清洁，箱内搁板间的距离可调。
Using mirror stainless steel container, four half arc easy cleanness, in the distance between the shelf is adjustable.
这是一种以几何方式就地提供清洁能源的途径，或者顶多25公里，这就是发电厂获取木材的最远距离。
A geometric way of supplying clean energy at 0 km or, rather, 25 km, which is the maximum distance from which the Schilling sawmill obtains its wood supply.
春季多数清洁站点PM_（10）浓度偏高与长距离输送有关；
Elevated PM10 concentrations in spring are closely related to long-range transport.
丰富的泡沫配方，创造一个舒适的剃刀和皮肤之间的清洁，近距离。
The enriched formula surrounds and clings to each whisker, creating a comfort zone between razor and skin for a clean, close shave .
LNG是当今世界上最安全、适合长距离运输并可直接利用的最清洁能源。
LNG is nowadays the most secure and clean energy source which is transported for a long distance and used directly in the world.
工作室采用镜面不锈钢板，四角半圆弧，易清洁，搁板距离可调；
The work chamber adopt the mirror-surface stainless steel, four-square semi-circle arc, which is easy for cleaning. The distance between shelves is adjustable.
不管整齐清洁是不是能使人更接近上帝，但它的确能拉近人与人的距离。
Whether or not being clean and well-groomed brings one closer to God, it certainly brings one closer to others.
电镀行业的清洁生产有过长期的探索，但目前仍存在相当的距离与障碍。
Long time exploration of CP for electroplating industry had been done, but still there is a distance to reach the goal.
电镀行业的清洁生产有过长期的探索，但目前仍存在相当的距离与障碍。
Long time exploration of CP for electroplating industry had been done, but still there is a distance to reach the goal.
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