Temperature measurements and its long-period observation will provide reliable basic data for geothermal and geodynamical study of the ultra-high pressure metamorphic belt.

大陆科学钻探温度测量，为今后进一步研究超高压变质带深部地热场及其地球动力学含义提供了可靠的基础数据。

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Ultra long battery period of revolution: Uses the ultra strong wireless communication protocol, the low power loss design, may use for 3-4 months;

超长电池使用时间：采用超强无线通讯协议，低功耗设计，可以使用3-4个月；

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It was not easy to judge when to stop tightening after the American economy had got used to a long period of ultra-low interest rates, but so far he has got things about right.

在美国经济长期以来已经养成超低利率的习惯后，判断何时停止紧缩措施并非易事，但迄今为止他处理的还算不错。

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Because very low fertility can become self-reinforcing, with children of one-child families wanting only one child themselves, China now probably faces a long period of ultra-low fertility, regardless of what happens to its one-child policy.

ECONOMIST: Demography