Some teachers find that taking special care to keep the SI joint in place at all times over a period of months or even years can make it more stable.

一些老师发现像这样每次练习前后都特别留意骶髂关节是否在正确的位置上，加以时日，骶髂关节自然会变得更加稳固。

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Once you have learned to put your SI joint back into place, make sure it is properly located before each yoga practice and follow the preventive steps above to keep it there.

一旦你掌握了如何让骶髂关节复位，在每次练习之前都要用它来确定一下关节的位置正确。

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A method for the joint determination of si, p, Mn, Cr in general and low alloy steels is discussed by means of spectrophotometry. The method is simple, rapid and easy to master.

探讨了采用分光光度法对普通钢、低合金钢中的硅、磷、锰、铬进行联合测定。

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These include Ericsson (ERIC), Alcatel-Lucent (ALU), Nokia Siemens Networks which is a joint venture of Nokia (NOK) and Siemens (SI), Cisco Systems (CSCO), Juniper Networks (JNPR), Ciena (CIEN), and Tellabs (TLAB).

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