11. Compared to reference levels established by the United Nations Food and Agricultural Organization and World Health Organization, 12. The CLR packet consists of the reflected reference level ( t, oid, 1 ) and the destination id. 13. Reference levels are a key component for any national REDD + program and critical in at least two aspects.14. Each input channel can be used to make a " floating " measurement with an independent signal reference level . 15. Reference levels have to have national coverage, but they may be composed from a number of sub-national reference levels.16. Reference levels have to have national coverage, but they may be composed from a number of sub-national reference levels . 17. The high-speed gyros were more sensitive and established a base reference level of the aircraft s level flight path. 18. When the concentration of was increased from an ambient reference level of 360ppm, the photosynthetic assimilation in the seedlings doubled. 19. But once the EQF is fully implemented, a Swedish person's certificates will bear a reference to an EQF reference level . 20. Relative terms measure the density against a reference level , which is determined by dominant tree species, the plant community, and site index.