Why does my model shake?

1. A concise explanation of the problem you’re experiencing.

When I moved camera,the model will shake

2. A minimal code example. If you’ve found a bug, this helps us reproduce and repair it.

https://sandcastle.cesium.com/#c=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

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

I have many dynamic models(time dependent), Entity’s performance is very low,So I use ModelInstanceCollection and SampledPositionProperty,I’m not sure if this is correct,How can I solve this problem?

4. The Cesium version you’re using, your operating system and browser.

1.66,Windows10,Chrome