pulse
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مقالات عامة
how a 70-year-old survey has given early signals of the economy’s pulse
مجلة المذنب نت متابعات عالمية: Business tendency surveys provide very useful indicators of trends within an economy. The information is…
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مقالات عامة
What is a sonar pulse and how can it injure humans under water?
مجلة المذنب نت متابعات عالمية: Over the weekend, the Australian government revealed that last Tuesday its navy divers had sustained…
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