They expected the flight to last five hours, but soon lost contact with it, fearing that the low temperatures had frozen the phone's battery.
他们预期此次飞行能长达5个小时，但很快就与装置失去了联系，并担心低温会冻结手机的电池。
Read about some of these efforts here: " Texas Pioneers Energy Storage in Giant Battery" and " Frozen Fish Help Reel in Germany's Wind Power"
“德州巨大电池能力存储先锋”和“冷冻鱼帮助德国风力发电”
Read about some of these efforts here: " Texas Pioneers Energy Storage in Giant Battery" and " Frozen Fish Help Reel in Germany's Wind Power"
“德州巨大电池能力存储先锋”和“冷冻鱼帮助德国风力发电”
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