水处理站双室阴离子交换器自投运以来周期一直不平稳，严重的制约着水处理站的经济运行。
The running period is always unstable, since the double-room anion exchanger of the water treatment plant have restricted the economic running seriously.
放牧家畜饲养周期长，出栏率低，是制约高寒草甸畜牧业生产的最大瓶颈。
The longer raise period and lower slaughter rate constitute the important limiting factors for livestock production on high frigid meadows.
造成稳定性较差，一般镀液仅能使用4 ~5个周期，化学镀液的稳定性是制约化学镀镍的一个重要因素。
Caused by poor stability, the general solution can only use 4 to 5 cycles, the stability of the chemical bath of electroless nickel plating restricting an important factor.
全生命周期造价管理既包括建设期造价和运营期费用的确定，而且包括全生命周期各个阶段的造价制约。
Management of life cycle cost includes the construction period and operation period of the construction costs to determine, and including all stages controlling of life cycle cost.
周期性太长，时效性太差，受条件制约太多等等。
The periodic is too long, the time limited efficacy is very bad, The check and supervision condition are too many etc.
在新一轮经济增长周期，能源对经济增长产生了新的制约。
With the coming of a new round of economic growth, the shortage of energy resources has become more serious and greatly restricted economy growth.
在PLC的编程中，采用了单周期操作和自动连续操作，具有掉电保护和两种操作间互相制约的保护，可以避免重复操作和误操作。
It can be operated by PC and meet the requirement of modern industry. In the programming of PLC, both single-cycle and continuous operations are adopted.
传统的三自由度平台设计是一个串行设计过程，基于物理样机的设计与验证过程制约了产品开发的周期和效率。
Conventional design of 3-dof motion platform is a serial design, in which physical prototype-based design and verification bring about restrictions to the development period and efficiency.
传统的三自由度平台设计是一个串行设计过程，基于物理样机的设计与验证过程制约了产品开发的周期和效率。
Conventional design of 3-dof motion platform is a serial design, in which physical prototype-based design and verification bring about restrictions to the development period and efficiency.
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