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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.
- ; D: the thick sphere
Admiral Zheng He
A prominent Chinese explorer and naval commander of the Ming dynasty known for his expeditions to Southeast Asia, South Asia, the Middle East, and East Africa.
Seafaring Technology
Innovations and advancements in the design, construction, and navigation of ships and boats, enabling exploration, trade, and military activities across seas and oceans.
Trading Economy
An economic system that relies heavily on the exchange of goods and services through trade, both domestically and internationally.
Italian City-States
Independent, self-governing cities in Italy that were prevalent during the medieval and Renaissance periods, often characterized by their rich culture and economic power.
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