目前尚不清楚百度是否会放弃原先那种将付费广告与自动搜索结果放在一起的做法，百度也没有澄清其计划，仅仅表示系统测试刚刚开始。
It's not yet clear if the company will abandon its practice of putting paid ads among organic search results - and Baidu didn't clarify its plans-saying only that testing of the system just started.
早在1994年他们就发明了一套可以确定一个对大多数普通种类的鲸鱼可以忍受的捕杀数量的运算方法，尽管仍然不清楚它们的丰度怎样。
Back in 1994 they devised an algorithm to determine a sustainable catch of the most common whale species despite continuing uncertainty about how abundant they are.
据作者称，所观察到的疲劳度变化的背后机制目前仍不清楚。
According to the authors, the mechanisms that underlie the observed changes in fatigue are unclear.
目前尚不清楚企业知名度的上升是否提升了销售。
It's unclear whether the increased awareness of the firm has boosted sales.
有人一度写信给我的母亲，告诉她我的工作，她很骄傲，但是不清楚为何我会被称之为“残忍的人”。
Someone once sent my mom an article about my work. She was proud and everything but wanted to know why her baby was described as "ferocious."
157收藏家很欣赏Kali岛出产的古代等身泥土雕像，但长期以来不清楚Kali的艺术家如何能够以如此高的精确度刻画人体。
157collectors prize the ancient life-size clay statues of human figures made on Kali Island but have long wondered how the Kalinese artists were able to depict bodies with such realistic precision.
小镇的故事即是小镇历史，这个我不清楚，可以直接百度或谷歌一下。
Even the story of a small town small town history, this I do not know, you can look directly Baidu or Google.
收藏家很欣赏Kali岛出产的古代等身泥土雕像，但长期以来不清楚Kali的艺术家如何能够以如此高的精确度刻画人体。
Collectors prize the ancient life-size clay statues of human figures made on Kali Island but have long wondered how the Kalinese artists were able to depict bodies with such realistic precision.
收藏家很欣赏Kali岛出产的古代等身泥土雕像，但长期以来不清楚Kali的艺术家如何能够以如此高的精确度刻画人体。
Collectors prize the ancient life-size clay statues of human figures made on Kali Island but have long wondered how the Kalinese artists were able to depict bodies with such realistic precision.
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