解答如下

After a three-year pilot period, the GPNP will be officially set up next year.

参考译文：三年的试运行期后，大熊猫国家公园将于明年正式建立。

备注(1)：GPNP=Giant Panda National Park大熊猫国家公园

备注(2)：pilot period 试运期

It is learned the pilot period the bond registration, custodian and clearing the way temporarily unchanged.  

据获悉试点期间,债券登记 、 托管及结算方式暂时不变。

After a three-year pilot period, the GPNP will be officially set up next year. The GPNP is designed to reflect the guiding principle of “protecting the authenticity and integrity (完整性) of natural ecosystems, preserving biological diversity, protecting ecological buffer zones, and leaving behind precious natural assets (资产) for future generations”. The GPNP’s main goal is to improve connectivity between separate populations and homes of giant pandas, and eventually achieve a desired level of population in the wild.

参考译文：经过三年的运行期后，大熊猫国家公园将于明年正式成立。大熊猫国家公园设计的指导原则是反映“保护真实性和完整性的自然生态系统,保护生物多样性,保护生态缓冲区,并为子孙后代留下宝贵的自然资源”。它的主要目标是改善不同种群和大熊猫家园之间的联系，最终达到理想的野生大熊猫数量水平。

【1】pilot  n.试验性的方案；试点性的项目 (英文解释：A pilot scheme or a pilot project is one which is used to test an idea before deciding whether to introduce it on a larger scale.)

The service is being expanded following the success of a pilot scheme.  

在试验性方案获得成功后，这项服务正在推广中。

This is a ten-year pilot project backed by the trade and industry department.  

这是由贸易和工业部支持的为期10年的试点项目。

【2】pilot（电视的）试播节目，试播集 (英文解释：A pilot or a pilot episode is a single television programme that is shown in order to find out whether a particular series of programmes is likely to be popular.）

 A pilot episode of Nothing's Impossible has already been filmed.  

《一切皆有可能》的试播集已拍摄出来了。