In the S&P 500 index, the energy sector is up just 2.4 per cent this year and was barely positive in the first quarter, lagging behind the index's 6 per cent gain for the year.

在标普500指数中，能源板块今年以来仅上涨2.4%，其中 在首季只是勉强维持上涨，而整体指数今年迄今已上涨6%。

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HOMA-IS and HOMA-IR were successively reduced in antibody negative group, single positive group and double positive group(P<0.001).

IS指数及HOMA-IR指数在抗体阴性组、抗体单阳性组及双阳性组依次降低，差异有显著性（P<0.001）。

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Interaction effect of n, p, K is positive to soybean's growth. According to these characteristics, we can provide theoretical basis for reasonable technology of applying fertilizer.

P、K三要素及元素之间互作对大豆生长均为正效应，由此可为合理施肥提供理论依据。

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dT/dp is positive. dT/dp is positive.

偏T偏p是正数，好的这就是。

麻省理工公开课 - 热力学与动力学课程节选

JT dT/dp is positive, well that's mu JT.

偏T偏p就是μ

麻省理工公开课 - 热力学与动力学课程节选

And in terms of thinking about the phase of this p orbital, the phase is going to be positive anywhere where z is positive.

对于ｐ轨道的相位，在ｚ大于零的地方都是正的。

麻省理工公开课 - 化学原理课程节选