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1·Even when demonstrator hens reacted with obvious disgust to a specific food, via vigorous head shaking and bill wiping, there was no evidence that observers subsequently avoided eating that food.

即使是当作为演示的母鸡对某种特定的食物表现出明显的厌恶，比如使劲摇头和擦拭嘴，也没有证据表明它们随后会避免食用这种食物。

2·The demonstrator should indicate the degree of this reliability.

验证者应该指出这种可靠的程度。

3·Demonstrator and Project leader should support each other in different stages.

演示者和项目主管将在不同的阶段互相支持。

4·System form and demonstration method for a demonstrator of grating spectra are presented.

介绍了光栅光谱演示仪系统的组成及演示方法。

5·Demonstrator should prepare a checklist on the information provided from the Project leader.

演示员将根据项目组长提供的信息准备一份项目清单。

6·The aircraft may be a technology demonstrator or a prototype for a mass production fighter aircraft.

这架飞机既可能是技术验证机，也可能是量产型号的原型机。

7·Project leader should help demonstrator to record down all the question being asked by the customer.

项目组长应该帮助演示者记录客户提到的问题。

8·Saab dealers are currently giving away unaccompanied 24-hour test drives in posh demonstrator models.

萨博汽车的经销商目前正推出高档样品车无人陪同的24小时试驾活动。

9·The special feature of the demonstrator is that the sensing elements have no need of an external power supply.

这种演示装置的特点在于，其传感器件不需要外部电源。

10·The use of the active stick and throttle and a cutoff switch was introduced on the JSF demonstrator, the X-35.

主动驾驶杆和油门杆以及动力切断开关从x - 35，也就是JSF的演示机开始就引入了。