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Drill holes in fossil shells point to bigger predators picking on small prey
Drill holes fossil shells point predators picking small prey
2017/7/21
The drill holes left in fossil shells by hunters such as snails and slugs show marine predators have grown steadily bigger and more powerful over time but stuck to picking off small prey, rather than ...
In order to solve the problem of picking carya cathayensis, the paper studies picking methods of the fruit and picking characteristics of carya cathayensis, The vibration method was put forward for ca...
Research and Development of Picking and Processing Technology for Carya Cathayensis
Breaking Shell Carya Cathayensis Classification Picking
2011/12/21
To improve the picking efficiency and processing quality of carya cathayensis, this paper analyzes the present problems in harvesting and processing of the carya cathayensis. The vibration picking met...