The special subsidy from the central government has many defects and problems ranging from the establishment of projects, the examination and approval of its application, the allocation and management of the fund, to the supervision and auditing thereof. 占中央财政支出很大比重的中央专项补助,从项目的设置、申请的审批到资金的拨付管理以及有关方面的监督检查,均存在诸多缺陷和问题。
Because it is able to set Photogrammetry Baseline in special mode that the Grand Solid Photogrammetry has not enough field to set within underground and linear projects, the Parallel Photogrammetry is valuable in practical application. 由于平行摄影测量能够在地下洞室和线型工程中以特殊方式布设基线,克服了常规地面立体摄影测量在上述环境下没有足够场地布设基线的缺点,因此具有实际应用价值。