The absorption coefficients approach to zero inside the targetnucleus, so that the elastic scattering takes place at the surface region of nucleus.
光学势在核中的吸收系数趋于零，因此弹性散射主要发生在核的表面。
2
The curriculum target should be regarded as the nucleus.
四大目标的核心是课程目标。
3
In the cardiomyocyte, T3 binds to thyroid hormone receptors in the nucleus, which in turn bind to thyroid hormone response elements in the regulatory regions of target genes to regulate transcription.