The other two strategies go beyond the necessary scope with respect to the preparation effort and the required resources, including personnel.

另两种战略在准备工作量和所需的资源（包括人力资源）两方面超出了必要的范围。

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When using NIM to back up and restore images, much preparation work needs to be done, such as defining the network, NIM clients, and NIM resources.

在使用NIM备份和恢复映像时，需要做很多准备工作，比如定义网络、NIM客户机和NIM资源。

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Objective:With the local lobster shell as the raw material, we inquire into the abstraction and preparation of chitin and chitosan to develop a new raw material resources for chitosan.

目的：以地产龙虾壳为原料，探讨其甲壳素的提取和壳聚糖的制备方法，以开发壳聚糖制备的新原料资源。

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