回收的盐和在海底沉积的粘土矿物中所含的盐是无法准确计算的。
There was no way to account accurately by recycled salt and salt incorporated into clay mineral deposited on the sea floors.
要准确计算住宅购买力，完整的数据必不可少。
To accurately assess housing affordability it is necessary to have complete data.
准确计算食品的理论成本。
准确计算及测量不是要点。
Exact mathematical precision and measurement are not essential.
结论SPECT能够准确计算甲状腺体积。
Conelusions SPECT can calculate the: volume of thyroid accurately.
印度尼西亚的亿万富豪钱多得都没法准确计算了。
Indonesia's rupiah trillionaires have so much money that it's difficult to count it.
它们的实用性有时候难以准确计算，不过反正是个好东西。
Their usefulness may sometimes be hard to gauge, but that is a good thing.
复杂结构动态应力的准确计算是一个没有圆满解决的问题。
The accurate calculation of complex structure dynamic stress has not been fully solved in structure dynamics.
循环压耗的准确计算是钻头水力参数优化程序设计的基础。
Accurate calculation of cyclic pressure dissipation is the basis of programming of bit hydraulics optimization.
提出了一种能准确计算印制绕组电机反电势系数的新方法。
A new method for calculating EMF of printed circuit motor is presented in this paper.
中途退出欧元区的成本很难准确计算但是这个代价必然很沉重。
The costs of backing out of the euro are hard to calculate but would certainly be heavy.
准确计算冲击载荷的大小对于螺栓的使用安全具有重要意义。
Exact calculation of the impacting load on bolt is of vital importance to the safety of the bolt.
食品冻结时间的准确计算关系到食品冻结装置的优化设计及运行。
Accurate calculation of freezing time of foods is important for optimum design and operation of a food freezer.
已有的柔性桩复合地基有效桩长计算方法都难以准确计算有效桩长。
It is very difficult to calculate the effective pile length for the methods which have be used by mostly engineers.
脉动转矩的准确计算是爪极永磁同步电动机优化设计的基本前提之一。
The accurate calculation of cogging torque assists in optimizing the design of claw pole permanent magnet synchronous motors.
一旦水手知道如何准确计算经度，他们就不用再把木头扔在船边计算船的航速了。
Once sailors knew how to calculate longitude accurately they no longer had to throw chunks of wood over the side to calculate how fast they were going.
但是现实中，由于客户关系的复杂性和不确定性，很难准确计算客户生命周期价值。
In reality, it is difficult to make accurate calculations of customer lifetime value due to the complexity of and uncertainty surrounding customer relationships.
要准确计算手指长度，就必须测手指掌面最低折痕中点到肉的尖端尾部之间的距离。
To calculate finger length accurately you must measure the distance from the midpoint of the lowest crease at the base of the finger on the palm side to the very end of the fleshy tip.
准确计算地下水的垂向入渗补给量是合理评价和利用地下水资源的基础。
Precise estimation of vertical groundwater recharge is important for reasonable estimation and utilization of groundwater resource.
基于该模型，我们能够准确计算最大保险利益并以此作为费率测算的依据。
Based on the model, we can calculate the maximum insurance interest accurately and treat it as the basis of calculating rate.
环境氡和氡子体连续测量是准确计算氡的辐射剂量、客观评价氡危害的前提。
The continuous measuring for environmental radon and radon progeny is the premise to calculate the radiation dose from radon precisely.
准确计算各向异性地层中岩石破裂压力在石油勘探开发中有着十分重要的作用。
Determining breakdown pressure in an anisotropic formation is important in oil and gas exploration and production.
依据上级主管部门关于基建成本管理与核算的相关规定，准确计算工程成本、及时处理会计业务。
To calculate the cost of construction project accurately, and record all the accounting transactions timely based on the competent department's rules of construction cost accounting and management.
该方法能够准确计算拱坝坝面太阳辐射的不均匀分布，为温度场计算提供准确的边界条件。
The distribution of solar radiation on dam surface can be computed by the method and accurate thermal boundary conditions of the dam temperature field are obtained.
客户收入相对容易确定，但客户成本的准确计算至今仍是会计学者们在认真探讨的一个课题。
It is comparatively easy to determine Customer Revenue, but how to get the accurate calculation of Customer Cost is still in discussion.
因此，如何准确计算发动机固定装置的载荷，对飞机的设计乃至其飞行安全都有着重要意义。
Therefore, correct calculation of the load on engine mount is full of great significance in aircraft design and flight safety.
埋入式永磁同步电机转子磁路结构与普通同步电机有很大差别，电感参数用传统计算方法难以准确计算。
Since rotor structures of the IPMSM are different from the common motor, inductance parameters are hard to be accurately calculated by the traditional calculation method.
埋入式永磁同步电机转子磁路结构与普通同步电机有很大差别，电感参数用传统计算方法难以准确计算。
Since rotor structures of the IPMSM are different from the common motor, inductance parameters are hard to be accurately calculated by the traditional calculation method.
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