其实，如果一个互联网应用不采用病毒式营销方式推广自己，那么自然搜索方式应该是不二之选了。因为自然搜索方式同样可以在毫无成本支出的情况下让网站得到最大程度的曝光。
Natural search is a vitally important distribution option for Internet services that can’t rely on viral distribution because it can provide the same kind of massive consumer exposure at no cost.
藉此，本发明可达 成以低成本及低功耗实现精确控制及调整闪光灯的闪光强度及正确曝光的效 果。
The invention controls and adjusts flash output accurately to reach correct exposure under condition of low cost and low power consumption.
还有大面积的均匀曝光，提高了产量，质量，降低了成本。
There are even a large area of exposure, improve the yield, quality and reduce costs.
该方法采用逐个图形曝光的方式使其具有内在的并行特性，可大大提高灰度掩模的制作速度和精度，并降低生产成本。
This system has intrinsic parallel characteristic owing to its stepper exposure mode, therefore it can improve the manufacturing speed and precision of gray-scale masks with low cost.
该方法采用逐个图形曝光的方式使其具有内在的并行特性，可大大提高灰度掩模的制作速度和精度，并降低生产成本。
This system has intrinsic parallel characteristic owing to its stepper exposure mode, therefore it can improve the manufacturing speed and precision of gray-scale masks with low cost.
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