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60-90%

60-90%

60-90%

60-90%

1

B. Microbiology . Escherichia coli is responsible for 60 to 90 percent of cases of asymptomatic bacteriuria , cystitis, and pyelonephritis.

微生物学。60-90%的无症状性菌尿、膀胱炎及肾盂肾炎由大肠杆菌引起。

2

When soap and water are not available, hand sanitizers containing 60-90% ethyl alcohol or isopropanol may be used.

如果没有肥皂和水，可以用含 60-90%的酒精无水洗手液。

3

In fact , adjusted for inflation, many are 60-90 per cent below all time highs yet fundamentals are changing .

实际上，去掉通胀因素，很多比历史高点低 60-90%，但基本面正在改变。

5

This process accounts for 60 to 90 percent of the present loss of hydrogen from Earth and most of the hydrogen loss from Venus.

这样的过程占当今地球氢气损失总量的 60~90%，也是金星氢气损失的主要过程。

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