Agricultural production has changed from generating a narrow range of food and low-value grain commodities to high-value products.

农业生产已从生产品种有限的粮食和低附加值商品转变为高附加值产品生产。

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But for big-ticket items, you usually require a direct sales force; for mid-range products, distributors or value-added resellers; and, for low-priced items, retail outlets or the Internet.

但是，对于高价物品来说，你需要一个直接的销售推动力；对于中档价位的产品，可采用特许经营商的方式；对于低价产品，可以通过折扣店或者网络销售。

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To summarize, we must specify a low and a high value to define the range of an instrument.

总结一下，我们必须定义仪表量程的最大值和最小值。

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Sensata produces a range of low-cost, high-value sensors and switches, used for things like car airbags, airplane circuit breakers and switches in large HVAC systems.

FORBES: Hedge Funds Love Sensata Technology Holdings

Participants may have responded by unconsciously anchoring their estimates to this value, compressing their predictions into the relatively low range of an incandescent bulb.

ECONOMIST: Energy conservation

Despite weaker than expected panel demand due to the economic slowdown in Europe and low seasonality, Samsung's total TV panel shipments increased in the low 10-percent range on-year due to strong sales of high, value-added products such as panels for 3D TVs and LED TVs.

ENGADGET: Samsung's Q2 2012 earnings show $5.86 billion operating profit, that's a lot of Galaxy S IIIs