In 1981—1987, the damage to rice of the third generation rice leaf-tier Parnara guttata Bremer et Grey larvae was studied.

作者于1981—1987年对直纹稻弄蝶第三代幼虫为害损失进行了研究。

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Ensure the Customers' Q-standards at first - and if needed ton-tier suppliers, lead quality topics in he clover leaf for material cost reduction programs, avoid warranty cost.

首先保证客户质量标准，如果需要多层供应商，引导质量主题在原料成本削减方案，避免保修成本。

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