The interchange of the optical fiber guide light needle and the needle core of a retainable needle are not needed when in use, and the blood efflux because of inexperienced operation can be avoided.

使用时无需进行光纤导光针与置留针针芯的互换，可避免因操作不熟练造成的血液外流。

youdao

Green pine, spit out the new as the same as the needle leaf, light green of light green.

翠绿的松树，吐出了新的像针一样的叶子，浅绿浅绿的。

youdao

The Angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror.

旋转角度可用来度量线圈内通过的电流，角度用指针的转动或镜面反射光线的偏转来测定。

youdao

A special needle is inserted directly into the tumor and light energy is passed through a laser.

VOA: special.2010.11.23

When a pulse of light is sent into the tumor using fiber optic cable that is threaded into a tumor using a biopsy needle, the molecule absorbs the light energy, converts it electrical energy that then causes tumor cells to self destruct.

FORBES: Three New Cancer Drugs You Should Watch

Highly polished beveled edges reflect light in two directions for better legibility and emphasize needle-sharp tips, lending an air of Germanic precision.

FORBES: The Face of Time

Gout is most easily and commonly diagnosed by placing a needle into the inflamed joint and withdrawing fluid that is examined under a polarized light microscope.

CNN: Do I have gout or tendinitis?