Overall the risk of bias is unclear, as all trials under-reported methods.

整体的偏误风险不明确，因为所有试验方法报告地不完整。

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These reported methods for preparing oxide and sulfide nanomatrials usually require multi-step, higher temperature, special apparatus and rigorous conditions.

已有制备氧化物及硫化物纳米材料的方法往往需要较多的步骤、较高的温度、特殊的仪器、苛刻的实验条件。

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The methodological quality of included trials was generally "poor." Few trials reported methods of randomization. Three trials were randomized, double blind, and placebo-controlled.

很少有实验报道随机取样的方法。内含的试验方法的质量一般很弱。三种试验分别为随机取样、双盲法、安慰剂给样试验。

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Even more egregious than the manner in which prices are currently reported is the way that CPI methods have been changed over the years to insure that most increases are factored out.

FORBES: Doubting The Big Lie That Inflation Is Not A Threat

He was operating a blind pool, in which investors had no real idea what they owned or how it was performing, relying on Mr. Madoff who reported metronomic returns, brooked no nosiness into his methods, and seemed always willing to pay off investors who wanted to withdraw their money.

WSJ: Put Madoff In Charge of Social Security

The CDC study relied on scientific methods to extrapolate total illnesses from disease outbreaks that were reported and monitored, said Patricia Griffin, chief of the Enteric Diseases Epidemiology Branch at the CDC and one of the authors of the new study.

WSJ: Vegetables Are the Main Cause of Food-Borne Illness, CDC Study Finds