Spring coverage: a spring mattress on the sum of the maximum cross-sectional area measured with the mattress area percentage.
弹簧覆盖率：床垫上所用弹簧的最大截面面积总和与床垫实测面积的百分比值。
Spring provides the infrastructure to develop your components with increased productivity and runtime performance, and also improves test coverage and application quality.
Spring提供了基础设施来开发具有更高效率和运行时性能的组件，还改进了测试覆盖率和应用程序质量。
Spring provides the infrastructure to develop your components with increased productivity and runtime performance, and also improves test coverage and application quality.
Spring提供了基础设施来开发具有更高效率和运行时性能的组件，还改进了测试覆盖率和应用程序质量。
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