它的生产周期长，是其复杂的技术。
Its production cycle is long for its complicated technology.
然而，圆桶形阳极加工周期长，适应性差。
However, cylindrical anodes have weaknesses such as long processing cycle and poor suitability.
送国外修理，周期长，费用高，且影响使用。
Repair abroad has long period, more cost and influence on use.
防锈性好，不易发臭，利于环保，使用周期长。
Good antirust property, not easy to stink, environmentally friendly, long use period.
如果重新装饰的话不仅费用太高而且施工周期长。
If redecorating the words not only because of the high cost and construction cycle is long.
这种手工移植方法简单，但工作量大、开发周期长。
The manual porting is simple, but requires lots of work and developing time.
车身开发具有周期长、成本高、质量控制复杂的特点。
Body development has the characteristics of long periods, high cost and complicated quality control.
采用传统的自然变异繁殖方法育种周期长，效果又不明显。
Natural variation is one of the traditional reproduce methods, not only its breeding cycle is too long, but also produces little effect.
这类项目具有建设内容丰富、建设范围大、建设周期长等特点。
This kind of project has some characteristics such as various construction contents, big construction area and long construction period.
但长期以来，村民养猪多用传统方法，周期长，耗料多，效益低。
But for a long time, the villagers used traditional methods, which took a long time, consumed much resource, and was low in efficiency.
两步再生法具有再生效果好、运行周期长、水处理费用低的特点。
Better regenerating effect, long operation period and low costs of water handling are characteristics of the method.
同时更换零配件周期长，使用方便，维护工作量少，维护费用低。
At the same time replacement parts cycle is long, easy to use, maintenance, maintenance costs less low.
城市轨道交通是一项建设和运营成本高、财务周期长的巨型工程。
URT is a big project with high building and operating cost and long financial period.
基础设施建设具有建设周期长、资金投入量大、回收期长的特点。
The infrastructure construction has the features of the older building cycle, greatly capital input amount, the longer recovery stage.
变速器总成台架试验周期长，并且要求其在一定温度、载荷下进行。
Gear box test has a long testing period and require it go on under certain temperature, load.
在模具纹路加工中，传统的化学蚀刻方法存在污染大、加工周期长的缺点。
In the processing of the mold texture, the traditional chemical etching exits the shortcomings of the pollution and the long processing cycle.
液氮管路活接头必须具有空间尺寸小、安装拆卸方便、使用周期长的特点。
The liquid nitrogen union must have several advantages, such as small volume, easy to assemble and disassemble, long life, etc.
新药研发具有费用高、周期长和风险大的特点，尤其是在新药临床研究阶段。
Drug development is characterized by high costs, long cycle and big risk, especially in clinical trial.
天钢第二炼钢厂供氧系统供氧强度低，冶炼周期长，限制了铸坯产量的提高。
Because of the low oxygen blowing intensity, long smelting period and low billet yield, the oxygen system is rebuilt in No.
目的解决经典化学法测定硅铁中杂质元素周期长、操作复杂、步骤繁琐的问题。
Aim To resolve the problems of long period, complex operation and many steps when determining impure elements in ferrosilicon by classic methods.
而这些实验的传统方法给教学带来了诸多不便，如设备工作量大、实验周期长等。
However, the traditional ways of these experiments are not convenient for teaching, such as heavy workload and long experiment period.
ERP是一个具有系统复杂、实施难度大、应用周期长等特点的企业管理系统工程。
Erp is a complicated enterprise management system engineering, which is difficult to implement and applies for a long cycle.
开环迭代学习控制学习周期长，在迭代学习的初期容易出现不稳定和高增益的现象。
But the learning period of opened-loop iterative learning control is long, and the unstable and high gain phenomena may be taken place during the initial stage of iterative learning control.
强调了对使用周期长的工程，设计时必须选用格栅的蠕变强度，而不是质量控制强度。
It emphasized that for the long-term engineering, the creep strength should be chosen in design, while not the quality control strength.
传统的设计方法存在设计周期长、结构冗余、成本高、缺乏对结果的验证等诸多弊端。
There are many problems in traditional design method such as long period, structure redundancy, high cost and lack of validation etc.
林木资产评估必须考虑其生长周期长和不同生长阶段的生理特性与经济价值不同的特点。
In forestry assets assessment the long growth cycle and the different physiological characteristics and different economic values at different growth stages should be taken into consideration.
为了克服猪肺肝素分离的传统方法操作繁锁、生产周期长、生产成本高、产品品位低的缺点。
The new method is studied in order to surmount the shortcomings of the complex operation, the long processing time, the high cost and the low grade.
目前国内的洗手液市场仍处于启蒙认知阶段，产品的生命周期长，因而进入市场的机会更多。
The hand washing product must be of long lifetime in the market because of the hand lotion market is in the stage of being known.
与进口催化剂相比，AB- 97型催化剂具有再生周期长，活性稳定性和选择性好等特点。
In comparison with imported catalysts, AB-97 catalyst has the characteristics of long regeneration period, good active stability and selectivity.
与进口催化剂相比，AB- 97型催化剂具有再生周期长，活性稳定性和选择性好等特点。
In comparison with imported catalysts, AB-97 catalyst has the characteristics of long regeneration period, good active stability and selectivity.
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