A method based on the score and Wald tests has been proposed.

基于分数和沃尔德检验提出了一种方法。

Now he believes that anything emitted from a black hole can be identifiable back to its source, " said Wald, an expert on black holes."

现在他相信从黑洞释放出的任何物质都能追溯到来源。

Wald says that nuclear regulators in the United States are closely watching the situation in Japan to see what the long-term prognosis is in and around the reactors.

沃尔德说，美国的核监管机构正在密切关注日本的情况，看看反应堆的周围地区，有没有什么长远的后遗症。

These asymptomatic herpes carriers shed infectious virus 10% of the 30 or more days they were in the study, report University of Washington researcher Anna Wald, MD, MPH, and colleagues.

华盛顿大学研究者Anna Wald医生与其同事报道，在研究中，这些无症状的疱疹携带者在30或更长的时间内约有10%的时间在传播感染性病毒。

When nuclear plants were designed, says Wald, regulators anticipated that spent fuel rods would sit in cooling water pools for five years and then be chemically processed and turned into plutonium.

沃尔德说，当一开始设计核电厂时，监管机构预计，乏燃料棒应该存放在冷却水池里，五年以后捞出来，再经过化学处理而转化为钸。