什么是作物温度三基点？如何利用作物温度三基点理论采取栽培措施提高作物产量？

作物诱变育种中，主要处理植物的（）

玉米沼液浸种时间为（）小时为宜，不宜过长。

花生沼液浸种时间为（）小时为宜，不宜过长。

作物生长发育的温度三基点包括最低温度、最高温度和（）温度

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

一般将自然异交率（）的为自花授粉作物；自然异交率（）%的为常异花授粉作物；自然异交率（）%的为异花授粉作物。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

浸种装袋时，装袋不宜过满，一般在袋子上部予留（）的空间。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。