Nghĩa của từ tracking

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1. Shares of resource businesses tumbled roughly 6 percent in China and nearly 5 percent in Hong Kong, while an index tracking nonferrous metals prices in Shanghai also dropped sharply.

2. Besides the kills, the agency also said it conducted non-lethal research such as observation, the taking of skin samples from live whales and attaching tracking devices to whales.

3.   "Attaching GPS devices helps us study minke whales' migration routes by tracking them for several days," agency official Hiroyuki Morita told AFP.

4. She commented on reports that the Chinese survey ship Haiyang Dizhi 8 was spotted inside the sea area about 352 km off the coasts of Bruneian and Malaysia by ship tracking website Marine Traffic on April 16.

5. The chart ranks artists based on their online popularity by tracking activity on social media platforms.