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To reduce the number of accidents involving mopeds and pedestrians, the town council of Balmer Island should limit the number of mopeds rented by each of the island's six moped and bicycle rental companies from 50 per day to 30 per day during the summer season.

为减少由助力车和行人引发的事故， Balmer Island 镇委应把本岛六个助力车和自行车出租公司的助力车出租数量在夏季从每天50辆限制到每天30辆。

To reduce the number of accidents involving mopeds and pedestrians, the town council of Balmer Island should limit the number of mopeds rented by each of the island's six moped and bicycle rental companies from 50 per day to 30 per day during the summer season.

为减少由助力车和行人引发的事故，Balmer Island 市委应把本岛六个助力车和自行车出租公司的助力车出租数量在夏季从每天 50 辆限制到每天 30 辆。

To reduce the number of accidents involving mopeds and pedestrians, the town council of Balmer Island should limit the number of mopeds rented by each of the island's six moped and bicycle rental companies from 50 per day to 30 per day during the summer season.

1，作者没有提供足够的证据证明减少出租的数量事故就会减少，人们可能会自己购买自行车 2，作者也没有提供任何临近岛屿的情况，可能和 Balmer Island Gazette 完全不同 3，作者还忽略了其它因素：比如，考虑其它能够减少事故的因素是否比限制租车数量更好；此外，Torseau 去年事故的减少是否是因为限制出租的结果(1) T 地的下降不一定和限制出租数量有关。

The researchers found that a blood serum vitamin D level of 33 nanograms per milliliter or higher was associated with a 50 percent lower risk of colorectal cancer than that seen with blood levels of 12 nanograms per milliliter or lower.

研究人员发现，血液血清中维生素d水平的33纳克每毫升或更高，是与一个50 ％的风险降低结肠直肠癌的可能性要比见到的那种与血压水平的12纳克每毫升或更低。

Living plants growing at their normal temperatures released as much as 370 nanograms of methane per gram of plant tissue per hour.

当活的 或者死的植物暴露在阳光下时，沼气释放量会增加两倍。

Vitamin D insufficiency is frequently defined as less than 30 nanograms per milliliter of blood of the 25-hydroxy form the major storage form - 25(OHD of the vitamin and deficiency as less than 20 nanograms per milliliter of 25-hydroxyvitamin D .

维生素D不足往往是界定为不超过30毫微克每毫升血液中的25羟基形式（主要的存储形式-2 5 d ）项和缺乏维生素的不到2 0毫微克每毫升2 5羟基维他命

In another key test of urine for waste products of platelet activity, primarily urinary thromboxane (11-dehydro-thromboxane B2), scientists found that chocolate eaters showed less activity and waste products on average, at 177 nanograms per millimol of creatinine, versus an average of 287 nanograms per millimol of creatinine in the group that abstained from chocolate.

在另一个关键检测尿液废品血小板活性，主要是尿中血栓素(11-脱氢-血栓素B2)，科学家发现吃巧克力则比活性和废品平均在177微克每millimol肌酐相对于平均287微克每millimol肌酐77弃权巧克力。

This year Lincoln is selling an average of about 1,530 retail Town Cars per month, compared with about 2,550 retail Zephyrs per month.

今年林肯每个月品均销售1530辆城市轿车，而Zephyr每月的销量是2550辆。

The price enables families to buy two yoghurts per child per week that should provide substantial public health benefits.

价格使普通家庭每周能够为每个孩子买两包酸奶，这提供了大量公共健康福利。

The price enables families to buy two yoghurts per child per week that should proide substantial public health benefits.

价格使普通家庭每周能够为每个孩子买两包酸奶，这提供了大量公共健康福利。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。