求翻译：b) 此次campaign的投放量较小，导致GRP过小，同时也造成过多的人只看到1次和2次，campaign营销力有限。建议在单次投放时需增强投放力度和密度是什么意思？

b) The campaign's launch was smaller, resulting in GRP is too small, but also result in too many people only see 1 and 2, campaign marketing is limited. The time of placement in a single proposal to be put to enhance the strength and density

b) * This campaign, led to a relatively small volume injection of GRP too small, and at the same time create an excessive amount of people see only 1th and 2th, campaign marketing ability is limited. When investing in a single meeting recommendations to strengthen investment intensity and density

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B) this campaign put in smaller, leading small GRP, also cause excessive people only saw 1 and 2, campaign marketing limited. Recommendations in the single running enhanced patient when put on the intensity and density

B) the launch of the campaign from smaller, resulting in GRP is too small, but also result in too much of people only see 1 and 2, campaign marketing power is limited. Recommendations in the single running enhanced patient when put on the intensity and density