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| 1. | Pot experiments were conducted to determine the response of Amaranthus retrofluxes , Digitaria sangunalis |
| 温室盆栽条件下研究了反枝苋 Amaranthus retroflexus、马唐 Digitaria sanguinalis、稗草Echinochloa crus- galli、牛筋草 Eleusine indica和苘麻 Abutilon theophrasti5种杂草对烟嘧磺隆的敏感性。 |
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| 2. | To determine the human dose-response curve, one must extrapolate down from the high-dose laboratory data |
| 要确定人类的剂量反应曲线，就必须从高剂量的实验室数据进行外推。 |
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