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%。

youdao

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。

youdao