The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it.

蒲石河抽水蓄能电站引水系统中的竖井开挖，拟采用反井钻机进行导井开挖，人工手风钻钻孔扩挖的方式施工。

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Voyager 2 and Pioneer 11, both also well beyond the orbit of Pluto, are 14.2 billion and 12.4 billion kilometers from the Sun respectively.

航行者2号和先驱者11号也都超越了冥王星轨道，分别离太阳有142亿和124亿千米。

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GetJar has been in the business of offering apps to consumers since 2005, well before Apple, and helped to pioneer the model that the general public understands as an app store today.

GetJar早在2005年就已开展向客户提供应用的业务，远早于Apple，并且开拓了现如今被大众所理解为app store的商业模式。

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Given its (relatively) bargain-basement price, we aren't sure how well Pioneer's latest nullifies ambient noise, but there's only one way to find out if they can give the best headset ever made a run for its money.

ENGADGET: Pioneer's SE-NC31C-K noise-cancelling earbuds are cheap, but are they effective?

Ah well Pioneer, perhaps next year!

ENGADGET: Pioneer awarded Breakthrough Picture Quality HD

Mobile phones have proven dynamite in other developing countries in providing banking services where no banks exist ( Kenya is a well-documented pioneer).

FORBES: Visa Touts Plastic, Mobile Payments In Cash-Only Myanmar