x box

W box , X box , Y box and TATA-like box were polymorphic , CCAAT box was conserved . Polymorphic sites also existed between the regulatory elements .

其中WBOX、Xbox、YBOX及类TATABox是多态的，CCAATbox是保守的，在这些调控元件之间也存在多态座位。

Regulatory elements W box , X box , Y box , CCAAT box and TATA-like box which were associated with the expression of structural gene were found in all the URR sequences .

这些序列中均存在与基因表达调控有关的WBOX、Xbox、YBOX、CCAATbox以及类TATABox调控元件，且遵循严格的空间顺序。

To effectively control the cost in the networked manufacturing system and extend the application scope of the pattern of Application Service Provider ( ASP ), a new networked manufacturing pattern based on Bill of X ( BOX ) and ASP was put forward .

为有效控制整个网络化制造系统内的成本，同时扩大现有应用服务提供商模式的应用范围，提出了一个基于X列表及应用服务提供商的新型网络化制造模式。

If the answer is " Yes ", write an " X " in the box next to " Yes " .

如果答案是“是”，请在“是”旁边的方框里标上“X”。

Introduced are the main performance parameters , structural characteristics as well as the new technology , new materials applied on the P x type meter gauge box cars .

介绍了Px型米轨棚车的主要性能参数、结构特点以及采用的新技术、新材料。