An immutable object's state cannot change after construction. In other words, the constructor is the only way you can mutate the object's state.
一个不可变对象的状态在其构造完成之后就不可改变，换句话说，构造函数是唯一一个您可以改变对象的状态的地方。
Conservationists say the money was worth spending even if after 23 years of construction it will only take one hour off the length of a journey.
环保人士指出，虽然付出了23年多的时间代价，换回的仅是一个小时的旅程缩短，但这笔钱还是花得物有所值。
Household central air conditioning service, not only include after service, including sales before the consultation, project design, installation and construction.
家用中央空调的服务，不仅包括售后服务，还包括销售前的咨询、方案设计、安装施工。
Assembly and transport of components to GEWE or the construction site may only take place after the coating system has hardened.
部件组装及运输至GEWE或建筑现场的工作仅能在涂层系统完全硬化后才能进行。
The developing unit or individual may go through the examination and approval formalities for land use only after it or he obtains the permit for planned rural construction.
建设单位或者个人在取得乡村建设规划许可证后，方可办理用地审批手续。
The early-time damage of asphalt pavement is not only owing to design and construction of pavement, but also owing to the usage, maintenance and management after the construction finished.
沥青路面的早期破坏，不仅与设计、施工等路面形成前的环节有关，而且与路面形成后的使用、养护和管理联系紧密。
Only after we make sure the position and connotation of hospital culture can we do a good job at hospital culture construction and management.
只有在正确地确定了医院文化的定位和内涵的前提下，才能搞好医院文化的建设和管理工作。
After research and repeated comparisons, ring frame structure, an advantaged structure, has been selected, which not only ensures the strength, but also is convenient for construction.
经过研究与反复比较，选择了比较有利的结构——强框架结构，从而保证了结构强度，而且也便于施工。
Buildraw's professional characteristic reflected not only in the design. The construction and after-sale service also highlight its unique advantage.
标卓的专业性特征不仅体现在设计上，在施工和售后服务上更是突出了它的独特优势。
On the whole, the safety situation of building construction has been improved in recent years. But the situation remains grim with the accident rate goes second only after that of mining industry.
从总体上来看，近几年建设工程中的安全形势有所改善，但情况仍然比较严峻，事故发生率仅次于采矿业。
But the construction phase can only begin after route selection, easement negotiations, environmental permitting, and many other pre-construction actions have been accomplished.
但是管道的建设期是在管道定线，土地使用权限和环境评估通过之后才能进行，并且大多数的管道施工的前期工作都已经完成了。
But the construction phase can only begin after route selection, easement negotiations, environmental permitting, and many other pre-construction actions have been accomplished.
但是管道的建设期是在管道定线，土地使用权限和环境评估通过之后才能进行，并且大多数的管道施工的前期工作都已经完成了。
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