heli·cal ˈscan 名词 计算机
heli·cal [ˈhelɪkəl] 形 不变的
I. scan <-nn-> [skæn] 动词 trans
II. scan <-nn-> [skæn] 动词 不及物动词
III. scan [skæn] 名词
1. scan (glancing through):
2. scan 医学:
3. scan (image):
| I | scan |
|---|---|
| you | scan |
| he/she/it | scans |
| we | scan |
| you | scan |
| they | scan |
| I | scanned |
|---|---|
| you | scanned |
| he/she/it | scanned |
| we | scanned |
| you | scanned |
| they | scanned |
| I | have | scanned |
|---|---|---|
| you | have | scanned |
| he/she/it | has | scanned |
| we | have | scanned |
| you | have | scanned |
| they | have | scanned |
| I | had | scanned |
|---|---|---|
| you | had | scanned |
| he/she/it | had | scanned |
| we | had | scanned |
| you | had | scanned |
| they | had | scanned |
No example sentences available
Try a different entry
单语范例（未经PONS编辑处理）
The motivation to overcome this limitation led, in part, to the development of the helical scan system.
en.wikipedia.org It uses a 1/2 wide tape, in a cassette with two reels, which is written and read with a helical scan process.
en.wikipedia.org This method was called quadrature scanning, as opposed to the helical scan transport used by later videotape formats.
en.wikipedia.org Video cassette recorders differ substantially from audio recorders due to the use of a rotating magnetic head that uses a helical scan over the tape medium.
en.wikipedia.org The helical scan method reduces the x-ray dose to the patient required for a given resolution while scanning more quickly.
en.wikipedia.org