计算困难 meaning in English
dyscalculia
Examples
- According to the facts of chemical spill accidents in waterway transport , systematic analysis is made on the suitable dispersion models and source strength calculation models of multiple spilled substance , resource and environment respectively , so as to decide the poison and fire & explosion danger area of an accident through the way of dispersion simulation . to resolve the problem to the calculation of spill amount from tanks , calculation formulas on various types of tanks were worked out ; at the same time , research is carried out on the source strength calculation of mixtures with regard to the possible spillage of chemical mixture in waterway transport . for the sake of convenient application , a computer software for the simulation of dangerous area is developed which can provide great assistance to the decision - making of emergency response and reach the target of reducing the damage of the life , property and environment to the smallest degree
根据水运化学品泄漏事故的具体实际，针对各种泄漏物质、泄漏源和环境条件研究了各自适用的扩散模式和源强计算模型，以便通过扩散模拟确定事故的毒害和火灾爆炸危险区域；为解决储罐泄漏量计算困难的实际问题，推导了适用各型储罐、液舱的泄漏量计算公式；针对化学品水路储运泄漏事故中泄漏物质可能会以混合物形式存在的情况，探讨了混合物的蒸气释放源强计算；为方便实用，开发了蒸气扩散危险区域模拟计算机软件，从而为事故应急决策提供了有力的辅助支持，以达到尽可能减少人员伤亡和财产损失，减轻环境污染的目标。