Sound can be in the pipe string, can be in ancient books.
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2. 弦管长度和边界条件对TT型圆管节点轴向承载力的影响。
Influence of chord length and boundary conditions on the axial capacity of circular tubular TT-joints.
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3. 对每个试件，裂纹出现在弦管连接表面，沿弦管与节点板的连接焊缝扩展，并导致性能退化及破坏。
For each specimen, cracks appeared on the chord connecting face, and extended along the weld connecting the plate and chord, which led to the performance degradation and failure of the connection.
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4. 特别地，磁单极子可以存在于称为“Dirac弦”的，也就是携带磁场的长管的两端。
Specifically, monopoles could exit at the ends of long tubes carrying magnetic fields called "Dirac strings.
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5. 这根弦大约一微米长，直径两纳米，是根炭纳米管。
The wires are made of carbon nanotubes that measure approximately 2 nanometers in diameter.
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6. 这根弦大约一微米长，直径两纳米，是根炭纳米管。
The wires are made of carbon nanotubes that measure approximately 2 nanometers in diameter.
