In this paper,the relationships between landscape pattern and water quality at western reservoir area in Shenzhen City were studied with grey connection method,and the influences of 'source' and 'sink' landscape patterns on non-point pollution were probed.
利用灰色关联分析方法研究了深圳市西部水库流域景观格局指数与水质指标的关联关系,并探讨了"源"、"汇"景观格局对非点源污染的影响程度。
In order to understand sediment-water interaction as source or sink of HCO_3￣-,through studying detail profiles of HCO_3￣-and balance budget,the paper chose lake Lugu and Erhai are chosed to describe HCO_3￣- geochemical behavior at the sediment-water interface.
为了解沉积物－水界面作为水体ＨＣＯ_３~－的源还是汇，选择云南洱海和泸沽湖两个湖泊，通过界面精细剖面和平衡计算，揭示了ＨＣＯ_３~－在界面的地球化学行为。
Accordingly, it is of great significance and scientific value to research the feature of ocean flow field such as sources, sinks, and vortices.
例如,海洋上的源、汇是一种不稳定的海流运动,会给海洋生物和海洋渔业造成很严重的破环,对船运也会造成巨大的影响,所以研究源、汇、涡旋等海洋流场特征的可视化有着重大的意义和科学价值。
bank charges and difference in rates of
汇款手续费和汇率差额
CR [current rate]
当日汇率、现行汇率［
exchange rate flexibility
汇率伸缩性、机动汇率
spot rate and forward rate
即期汇率与远期汇率
re - exchange;re - draft
新汇票，再兑换汇票
assembler directive
汇编命令,汇编指令
opening rate & closing rate
开盘汇率与收盘汇率
according to the conditions of supply and demand in the foreign exchange market.
可上下浮动的外汇汇率。
official exchange rate
官方汇率,法定汇率
Please remit promptly by money order.
请速将款项用汇票汇来。
adjustable peg [foreign exchange]
可调整钉住汇率[外汇]
forward exchange rate
期货汇率,远期汇率
multiple rates system of exchange control
多元汇率外汇管制制度
price-adjusted rates of exchange
价格调整汇率(价调汇率)
Letter of hypothecation
押汇负责书,押汇保证书
application for outward remittance or conversion
外汇汇出或兑换申请书
coming together,esp of large numbers of people
汇合,汇集（尤指大群的人）.
spot and forward
即期外汇与远期外汇