安装 SetIntervalTree Perl package提高注释速度 5. The following equation is used to convert gain in units of dBd to units of dBi. Db Dbi And Dbd 对于非常大的 VCF 文件如 WGS建议将文件拆分运行例如. . 安装 EnsemblXS Perl package它包含 VEP 中某些关键子程序的编译版本运行速度可提高 5-10 6. 用 tmpfs 将数据库写入内存 4. For a manufacturers datasheet to express antenna gain in units of dBd gain relative to an actual dipole antenna. Relative to an isotropic radiator a standard half wave vertical dipole antenna will exhibit an intrinsic gain of 215 dB in the horizontal.