离体培养条件下，胚状体产生有几种方式？

离体培养条件下，胚状体的产生有几种方式？

在离体培养中，胚状体发生有哪几种方式？

有关外侧膝状体的内容，错误的是（）。

翻译：With Average or With Particular Average（WA or WPA）（）

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

种子种苗工作的内容和任务包括以下几个方面？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

植物组织培养在科研和生产上有很多应用：如进行：（1）（）的快速繁殖；（2）（）种苗培育；（3）（）的选育；（4）人工种子和（）保存；（5）（）的工业化生产等。