This effect is no mystery as raw plant foods are generally low calorie density high fibre foods which are very filling - ideal for weight loss - and was confirmed by a six-month trial in South Africa.

这种效果也没什么神秘 ，生机植物食品，一般所含热量低而纤维多，非常容易饱，是理想的减肥食物，在南非6个月的试验证实了这一点。

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Quartz fibre strengthen Bis maleimide BMI composite material have low to dielectric loss angle, able to bear high temperature, damp and hot, good mechanics performance.

石英纤维增强双马来酰亚胺树脂复合材料具有低介电损耗、耐高温、耐湿热及良好的力学性能。

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That's not to say that celery sticks - along with other high fibre, water-heavy fruits and vegetables - have no value as weight-loss aids.

BBC: Who, Why, What: Can foods have negative calories?