In the IWC website, we see both translational and reflection symmetry.

在IWC的网站中，使用了平移对称和反射对称。

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Under the IWC proposal, Japan would halve the number of whales it kills off Antarctica, and face further cuts over the five years thereafter.

在国际捕鲸委员会的提议下，日本在南极海域的捕鲸数量将会削减一半，在之后五年，这一数字还会下降。

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IWC monitors would be placed aboard every vessel to document the kill and take DNA samples, so the meat can be traced.

国际捕鲸委员会的监督人员会被安置到每一艘船上，对捕鲸活动做记录，并获得DNA样本，以追踪鲸肉去向。

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"The estimated mortality comes to more than 30 animals per year, and having a population that is only 150 - you can imagine that the population will not survive if nothing is done, " said Lorenzo Rojas-Bracho, Mexico's IWC commissioner and the head of the national marine mammal research and conservation programme.

BBC: Finance woes put porpoise at risk

During the two-year "peace process", IWC governments agreed new rules mandating they would strain every sinew to reach consensus where possible, and avoid going back to the years of pointless fractious discord.

BBC: Whaling: Chaos or compromise?

As government delegates, scientists, whale-hunters and environmentalists discuss the large ocean-traversing cetaceans at the International Whaling Commission (IWC) meeting here, green group WWF's new report, The Forgotten Whales, concludes that some of the leviathans' smaller brethren are more at risk.

BBC: Finance woes put porpoise at risk